Home / 782,854,303.29-1,080,343,209.42-460,996,312.65

Finding the Fourth Proportional to 782,854,303.29, 1,080,343,209.42 and 460,996,312.65

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Solution

The fourth proportional to 782,854,303.29, 1,080,343,209.42 and 460,996,312.65 is: 636,177,426.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,854,303.29 : 1,080,343,209.42 = 460,996,312.65 : x
  2. Step 2: Convert to fraction form
    782,854,303.29/1,080,343,209.42 = 460,996,312.65/x
  3. Step 3: Cross multiply
    782,854,303.29x = 1,080,343,209.42 × 460,996,312.65
  4. Step 4: Simplify right side
    782,854,303.29x = 498,034,235,939,086,784
  5. Step 5: Solve for x
    x = 498,034,235,939,086,784/782,854,303.29
  6. Step 6: Final answer
    x = 636,177,426.43

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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.