Home / 487,988,937.38-672,300,920.57-337,137,080.38

Finding the Fourth Proportional to 487,988,937.38, 672,300,920.57 and 337,137,080.38

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Solution

The fourth proportional to 487,988,937.38, 672,300,920.57 and 337,137,080.38 is: 464,472,761.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,988,937.38 : 672,300,920.57 = 337,137,080.38 : x
  2. Step 2: Convert to fraction form
    487,988,937.38/672,300,920.57 = 337,137,080.38/x
  3. Step 3: Cross multiply
    487,988,937.38x = 672,300,920.57 × 337,137,080.38
  4. Step 4: Simplify right side
    487,988,937.38x = 226,657,569,494,376,192
  5. Step 5: Solve for x
    x = 226,657,569,494,376,192/487,988,937.38
  6. Step 6: Final answer
    x = 464,472,761.84

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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.