Home / 862,488,086.40-1,293,732,129.60-403,323,062.40

Finding the Fourth Proportional to 862,488,086.40, 1,293,732,129.60 and 403,323,062.40

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Solution

The fourth proportional to 862,488,086.40, 1,293,732,129.60 and 403,323,062.40 is: 604,984,593.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,488,086.40 : 1,293,732,129.60 = 403,323,062.40 : x
  2. Step 2: Convert to fraction form
    862,488,086.40/1,293,732,129.60 = 403,323,062.40/x
  3. Step 3: Cross multiply
    862,488,086.40x = 1,293,732,129.60 × 403,323,062.40
  4. Step 4: Simplify right side
    862,488,086.40x = 521,792,004,435,545,600
  5. Step 5: Solve for x
    x = 521,792,004,435,545,600/862,488,086.40
  6. Step 6: Final answer
    x = 604,984,593.60

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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.