Home / 782,996,815.32-1,080,541,226.19-425,762,032.11

Finding the Fourth Proportional to 782,996,815.32, 1,080,541,226.19 and 425,762,032.11

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Solution

The fourth proportional to 782,996,815.32, 1,080,541,226.19 and 425,762,032.11 is: 587,554,660.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,996,815.32 : 1,080,541,226.19 = 425,762,032.11 : x
  2. Step 2: Convert to fraction form
    782,996,815.32/1,080,541,226.19 = 425,762,032.11/x
  3. Step 3: Cross multiply
    782,996,815.32x = 1,080,541,226.19 × 425,762,032.11
  4. Step 4: Simplify right side
    782,996,815.32x = 460,053,428,241,285,568
  5. Step 5: Solve for x
    x = 460,053,428,241,285,568/782,996,815.32
  6. Step 6: Final answer
    x = 587,554,660.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.