Home / 807,648,527.40-1,211,472,791.10-614,156,764.20

Finding the Fourth Proportional to 807,648,527.40, 1,211,472,791.10 and 614,156,764.20

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Solution

The fourth proportional to 807,648,527.40, 1,211,472,791.10 and 614,156,764.20 is: 921,235,146.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,648,527.40 : 1,211,472,791.10 = 614,156,764.20 : x
  2. Step 2: Convert to fraction form
    807,648,527.40/1,211,472,791.10 = 614,156,764.20/x
  3. Step 3: Cross multiply
    807,648,527.40x = 1,211,472,791.10 × 614,156,764.20
  4. Step 4: Simplify right side
    807,648,527.40x = 744,034,209,298,318,592
  5. Step 5: Solve for x
    x = 744,034,209,298,318,592/807,648,527.40
  6. Step 6: Final answer
    x = 921,235,146.30

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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.