Home / 898,151,419.40-1,347,227,129.10-656,286,715.40

Finding the Fourth Proportional to 898,151,419.40, 1,347,227,129.10 and 656,286,715.40

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Solution

The fourth proportional to 898,151,419.40, 1,347,227,129.10 and 656,286,715.40 is: 984,430,073.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,151,419.40 : 1,347,227,129.10 = 656,286,715.40 : x
  2. Step 2: Convert to fraction form
    898,151,419.40/1,347,227,129.10 = 656,286,715.40/x
  3. Step 3: Cross multiply
    898,151,419.40x = 1,347,227,129.10 × 656,286,715.40
  4. Step 4: Simplify right side
    898,151,419.40x = 884,167,267,454,810,624
  5. Step 5: Solve for x
    x = 884,167,267,454,810,624/898,151,419.40
  6. Step 6: Final answer
    x = 984,430,073.10

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Double scale
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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.