Home / 782,854,299.39-1,080,343,204.10-460,996,308.75

Finding the Fourth Proportional to 782,854,299.39, 1,080,343,204.10 and 460,996,308.75

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Solution

The fourth proportional to 782,854,299.39, 1,080,343,204.10 and 460,996,308.75 is: 636,177,421.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,854,299.39 : 1,080,343,204.10 = 460,996,308.75 : x
  2. Step 2: Convert to fraction form
    782,854,299.39/1,080,343,204.10 = 460,996,308.75/x
  3. Step 3: Cross multiply
    782,854,299.39x = 1,080,343,204.10 × 460,996,308.75
  4. Step 4: Simplify right side
    782,854,299.39x = 498,034,229,273,247,808
  5. Step 5: Solve for x
    x = 498,034,229,273,247,808/782,854,299.39
  6. Step 6: Final answer
    x = 636,177,421.09

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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.