Home / 814,462,079.20-1,221,693,118.80-201,046,304.95

Finding the Fourth Proportional to 814,462,079.20, 1,221,693,118.80 and 201,046,304.95

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Solution

The fourth proportional to 814,462,079.20, 1,221,693,118.80 and 201,046,304.95 is: 301,569,457.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,462,079.20 : 1,221,693,118.80 = 201,046,304.95 : x
  2. Step 2: Convert to fraction form
    814,462,079.20/1,221,693,118.80 = 201,046,304.95/x
  3. Step 3: Cross multiply
    814,462,079.20x = 1,221,693,118.80 × 201,046,304.95
  4. Step 4: Simplify right side
    814,462,079.20x = 245,616,887,317,581,344
  5. Step 5: Solve for x
    x = 245,616,887,317,581,344/814,462,079.20
  6. Step 6: Final answer
    x = 301,569,457.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.