Home / 782,854,298.77-1,080,343,203.23-460,996,308.13

Finding the Fourth Proportional to 782,854,298.77, 1,080,343,203.23 and 460,996,308.13

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Solution

The fourth proportional to 782,854,298.77, 1,080,343,203.23 and 460,996,308.13 is: 636,177,420.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,854,298.77 : 1,080,343,203.23 = 460,996,308.13 : x
  2. Step 2: Convert to fraction form
    782,854,298.77/1,080,343,203.23 = 460,996,308.13/x
  3. Step 3: Cross multiply
    782,854,298.77x = 1,080,343,203.23 × 460,996,308.13
  4. Step 4: Simplify right side
    782,854,298.77x = 498,034,228,199,068,096
  5. Step 5: Solve for x
    x = 498,034,228,199,068,096/782,854,298.77
  6. Step 6: Final answer
    x = 636,177,420.22

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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.