Home / 649,541,114.10-974,311,671.15-511,791,606.90

Finding the Fourth Proportional to 649,541,114.10, 974,311,671.15 and 511,791,606.90

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Solution

The fourth proportional to 649,541,114.10, 974,311,671.15 and 511,791,606.90 is: 767,687,410.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,541,114.10 : 974,311,671.15 = 511,791,606.90 : x
  2. Step 2: Convert to fraction form
    649,541,114.10/974,311,671.15 = 511,791,606.90/x
  3. Step 3: Cross multiply
    649,541,114.10x = 974,311,671.15 × 511,791,606.90
  4. Step 4: Simplify right side
    649,541,114.10x = 498,644,535,799,282,816
  5. Step 5: Solve for x
    x = 498,644,535,799,282,816/649,541,114.10
  6. Step 6: Final answer
    x = 767,687,410.35

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Double scale
Find fourth proportional to 649,541,115.10, 974,311,672.65 and 511,791,607.90
Similar ratio
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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.