Home / 424,890,935.25-637,307,149.05-261,153,963.15

Finding the Fourth Proportional to 424,890,935.25, 637,307,149.05 and 261,153,963.15

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Solution

The fourth proportional to 424,890,935.25, 637,307,149.05 and 261,153,963.15 is: 391,712,964.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,890,935.25 : 637,307,149.05 = 261,153,963.15 : x
  2. Step 2: Convert to fraction form
    424,890,935.25/637,307,149.05 = 261,153,963.15/x
  3. Step 3: Cross multiply
    424,890,935.25x = 637,307,149.05 × 261,153,963.15
  4. Step 4: Simplify right side
    424,890,935.25x = 166,435,287,718,235,264
  5. Step 5: Solve for x
    x = 166,435,287,718,235,264/424,890,935.25
  6. Step 6: Final answer
    x = 391,712,964.22

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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.