Home / 468,231,766.52-646,129,535.18-256,538,307.02

Finding the Fourth Proportional to 468,231,766.52, 646,129,535.18 and 256,538,307.02

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Solution

The fourth proportional to 468,231,766.52, 646,129,535.18 and 256,538,307.02 is: 354,006,261.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,231,766.52 : 646,129,535.18 = 256,538,307.02 : x
  2. Step 2: Convert to fraction form
    468,231,766.52/646,129,535.18 = 256,538,307.02/x
  3. Step 3: Cross multiply
    468,231,766.52x = 646,129,535.18 × 256,538,307.02
  4. Step 4: Simplify right side
    468,231,766.52x = 165,756,977,070,696,736
  5. Step 5: Solve for x
    x = 165,756,977,070,696,736/468,231,766.52
  6. Step 6: Final answer
    x = 354,006,261.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.