Home / 615,681,625.48-924,995,755.38-394,785,750.46

Finding the Fourth Proportional to 615,681,625.48, 924,995,755.38 and 394,785,750.46

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Solution

The fourth proportional to 615,681,625.48, 924,995,755.38 and 394,785,750.46 is: 593,123,342.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,681,625.48 : 924,995,755.38 = 394,785,750.46 : x
  2. Step 2: Convert to fraction form
    615,681,625.48/924,995,755.38 = 394,785,750.46/x
  3. Step 3: Cross multiply
    615,681,625.48x = 924,995,755.38 × 394,785,750.46
  4. Step 4: Simplify right side
    615,681,625.48x = 365,175,143,460,007,872
  5. Step 5: Solve for x
    x = 365,175,143,460,007,872/615,681,625.48
  6. Step 6: Final answer
    x = 593,123,342.24

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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.