Home / 615,681,447.63-924,995,488.08-394,785,572.54

Finding the Fourth Proportional to 615,681,447.63, 924,995,488.08 and 394,785,572.54

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Solution

The fourth proportional to 615,681,447.63, 924,995,488.08 and 394,785,572.54 is: 593,123,074.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,681,447.63 : 924,995,488.08 = 394,785,572.54 : x
  2. Step 2: Convert to fraction form
    615,681,447.63/924,995,488.08 = 394,785,572.54/x
  3. Step 3: Cross multiply
    615,681,447.63x = 924,995,488.08 × 394,785,572.54
  4. Step 4: Simplify right side
    615,681,447.63x = 365,174,873,353,954,624
  5. Step 5: Solve for x
    x = 365,174,873,353,954,624/615,681,447.63
  6. Step 6: Final answer
    x = 593,123,074.86

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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.