Home / 473,001,966.40-709,149,055.20-257,834,171.20

Finding the Fourth Proportional to 473,001,966.40, 709,149,055.20 and 257,834,171.20

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Solution

The fourth proportional to 473,001,966.40, 709,149,055.20 and 257,834,171.20 is: 386,558,348.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,001,966.40 : 709,149,055.20 = 257,834,171.20 : x
  2. Step 2: Convert to fraction form
    473,001,966.40/709,149,055.20 = 257,834,171.20/x
  3. Step 3: Cross multiply
    473,001,966.40x = 709,149,055.20 × 257,834,171.20
  4. Step 4: Simplify right side
    473,001,966.40x = 182,842,858,904,755,040
  5. Step 5: Solve for x
    x = 182,842,858,904,755,040/473,001,966.40
  6. Step 6: Final answer
    x = 386,558,348.36

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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.