Home / 538,160,408.10-807,240,612.15-343,493,569.80

Finding the Fourth Proportional to 538,160,408.10, 807,240,612.15 and 343,493,569.80

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Solution

The fourth proportional to 538,160,408.10, 807,240,612.15 and 343,493,569.80 is: 515,240,354.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,160,408.10 : 807,240,612.15 = 343,493,569.80 : x
  2. Step 2: Convert to fraction form
    538,160,408.10/807,240,612.15 = 343,493,569.80/x
  3. Step 3: Cross multiply
    538,160,408.10x = 807,240,612.15 × 343,493,569.80
  4. Step 4: Simplify right side
    538,160,408.10x = 277,281,959,554,940,768
  5. Step 5: Solve for x
    x = 277,281,959,554,940,768/538,160,408.10
  6. Step 6: Final answer
    x = 515,240,354.70

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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.