Home / 1,267,968,019.60-1,901,952,029.40-824,108,496.40

Finding the Fourth Proportional to 1,267,968,019.60, 1,901,952,029.40 and 824,108,496.40

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Solution

The fourth proportional to 1,267,968,019.60, 1,901,952,029.40 and 824,108,496.40 is: 1,236,162,744.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,267,968,019.60 : 1,901,952,029.40 = 824,108,496.40 : x
  2. Step 2: Convert to fraction form
    1,267,968,019.60/1,901,952,029.40 = 824,108,496.40/x
  3. Step 3: Cross multiply
    1,267,968,019.60x = 1,901,952,029.40 × 824,108,496.40
  4. Step 4: Simplify right side
    1,267,968,019.60x = 1,567,414,827,173,762,560
  5. Step 5: Solve for x
    x = 1,567,414,827,173,762,560/1,267,968,019.60
  6. Step 6: Final answer
    x = 1,236,162,744.60

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Double scale
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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.