Home / 782,854,299.27-1,080,343,203.93-460,996,308.63

Finding the Fourth Proportional to 782,854,299.27, 1,080,343,203.93 and 460,996,308.63

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Solution

The fourth proportional to 782,854,299.27, 1,080,343,203.93 and 460,996,308.63 is: 636,177,420.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,854,299.27 : 1,080,343,203.93 = 460,996,308.63 : x
  2. Step 2: Convert to fraction form
    782,854,299.27/1,080,343,203.93 = 460,996,308.63/x
  3. Step 3: Cross multiply
    782,854,299.27x = 1,080,343,203.93 × 460,996,308.63
  4. Step 4: Simplify right side
    782,854,299.27x = 498,034,229,062,932,288
  5. Step 5: Solve for x
    x = 498,034,229,062,932,288/782,854,299.27
  6. Step 6: Final answer
    x = 636,177,420.92

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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.