Home / 618,098,697,618.60-927,148,046,427.90-449,615,744,812.20

Finding the Fourth Proportional to 618,098,697,618.60, 927,148,046,427.90 and 449,615,744,812.20

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Solution

The fourth proportional to 618,098,697,618.60, 927,148,046,427.90 and 449,615,744,812.20 is: 674,423,617,218.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,098,697,618.60 : 927,148,046,427.90 = 449,615,744,812.20 : x
  2. Step 2: Convert to fraction form
    618,098,697,618.60/927,148,046,427.90 = 449,615,744,812.20/x
  3. Step 3: Cross multiply
    618,098,697,618.60x = 927,148,046,427.90 × 449,615,744,812.20
  4. Step 4: Simplify right side
    618,098,697,618.60x = 416,860,359,445,856,489,832,448
  5. Step 5: Solve for x
    x = 416,860,359,445,856,489,832,448/618,098,697,618.60
  6. Step 6: Final answer
    x = 674,423,617,218.30

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1.5x scale

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.