Home / 726,516,423.40-1,089,774,635.10-721,981,460.20

Finding the Fourth Proportional to 726,516,423.40, 1,089,774,635.10 and 721,981,460.20

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Solution

The fourth proportional to 726,516,423.40, 1,089,774,635.10 and 721,981,460.20 is: 1,082,972,190.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,516,423.40 : 1,089,774,635.10 = 721,981,460.20 : x
  2. Step 2: Convert to fraction form
    726,516,423.40/1,089,774,635.10 = 721,981,460.20/x
  3. Step 3: Cross multiply
    726,516,423.40x = 1,089,774,635.10 × 721,981,460.20
  4. Step 4: Simplify right side
    726,516,423.40x = 786,797,082,338,420,096
  5. Step 5: Solve for x
    x = 786,797,082,338,420,096/726,516,423.40
  6. Step 6: Final answer
    x = 1,082,972,190.30

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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.