Home / 788,427,002.17-1,182,644,489.13-206,162,527.87

Finding the Fourth Proportional to 788,427,002.17, 1,182,644,489.13 and 206,162,527.87

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Solution

The fourth proportional to 788,427,002.17, 1,182,644,489.13 and 206,162,527.87 is: 309,244,834.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,427,002.17 : 1,182,644,489.13 = 206,162,527.87 : x
  2. Step 2: Convert to fraction form
    788,427,002.17/1,182,644,489.13 = 206,162,527.87/x
  3. Step 3: Cross multiply
    788,427,002.17x = 1,182,644,489.13 × 206,162,527.87
  4. Step 4: Simplify right side
    788,427,002.17x = 243,816,977,450,565,568
  5. Step 5: Solve for x
    x = 243,816,977,450,565,568/788,427,002.17
  6. Step 6: Final answer
    x = 309,244,834.06

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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.