Home / 1,267,968,009.60-1,901,952,014.40-824,108,486.40

Finding the Fourth Proportional to 1,267,968,009.60, 1,901,952,014.40 and 824,108,486.40

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Solution

The fourth proportional to 1,267,968,009.60, 1,901,952,014.40 and 824,108,486.40 is: 1,236,162,729.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,267,968,009.60 : 1,901,952,014.40 = 824,108,486.40 : x
  2. Step 2: Convert to fraction form
    1,267,968,009.60/1,901,952,014.40 = 824,108,486.40/x
  3. Step 3: Cross multiply
    1,267,968,009.60x = 1,901,952,014.40 × 824,108,486.40
  4. Step 4: Simplify right side
    1,267,968,009.60x = 1,567,414,795,792,614,912
  5. Step 5: Solve for x
    x = 1,567,414,795,792,614,912/1,267,968,009.60
  6. Step 6: Final answer
    x = 1,236,162,729.60

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Double scale
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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.