Home / 272,098,278,220.80-408,147,417,331.20-172,183,968,998.40

Finding the Fourth Proportional to 272,098,278,220.80, 408,147,417,331.20 and 172,183,968,998.40

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Solution

The fourth proportional to 272,098,278,220.80, 408,147,417,331.20 and 172,183,968,998.40 is: 258,275,953,497.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,098,278,220.80 : 408,147,417,331.20 = 172,183,968,998.40 : x
  2. Step 2: Convert to fraction form
    272,098,278,220.80/408,147,417,331.20 = 172,183,968,998.40/x
  3. Step 3: Cross multiply
    272,098,278,220.80x = 408,147,417,331.20 × 172,183,968,998.40
  4. Step 4: Simplify right side
    272,098,278,220.80x = 70,276,442,252,532,370,112,512
  5. Step 5: Solve for x
    x = 70,276,442,252,532,370,112,512/272,098,278,220.80
  6. Step 6: Final answer
    x = 258,275,953,497.60

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Half scale
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Double scale
Find fourth proportional to 272,098,278,221.80, 408,147,417,332.70 and 172,183,968,999.40
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.