Home / 782,854,301.79-1,080,343,207.35-460,996,311.15

Finding the Fourth Proportional to 782,854,301.79, 1,080,343,207.35 and 460,996,311.15

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Solution

The fourth proportional to 782,854,301.79, 1,080,343,207.35 and 460,996,311.15 is: 636,177,424.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,854,301.79 : 1,080,343,207.35 = 460,996,311.15 : x
  2. Step 2: Convert to fraction form
    782,854,301.79/1,080,343,207.35 = 460,996,311.15/x
  3. Step 3: Cross multiply
    782,854,301.79x = 1,080,343,207.35 × 460,996,311.15
  4. Step 4: Simplify right side
    782,854,301.79x = 498,034,233,364,309,504
  5. Step 5: Solve for x
    x = 498,034,233,364,309,504/782,854,301.79
  6. Step 6: Final answer
    x = 636,177,424.36

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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.