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Finding the Fourth Proportional to 615,672,105.48, 849,627,963.64 and 333,416,737.30

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Solution

The fourth proportional to 615,672,105.48, 849,627,963.64 and 333,416,737.30 is: 460,115,345.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,672,105.48 : 849,627,963.64 = 333,416,737.30 : x
  2. Step 2: Convert to fraction form
    615,672,105.48/849,627,963.64 = 333,416,737.30/x
  3. Step 3: Cross multiply
    615,672,105.48x = 849,627,963.64 × 333,416,737.30
  4. Step 4: Simplify right side
    615,672,105.48x = 283,280,183,555,691,840
  5. Step 5: Solve for x
    x = 283,280,183,555,691,840/615,672,105.48
  6. Step 6: Final answer
    x = 460,115,345.55

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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.