Home / 472,393,046.20-708,589,569.30-411,926,870.20

Finding the Fourth Proportional to 472,393,046.20, 708,589,569.30 and 411,926,870.20

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Solution

The fourth proportional to 472,393,046.20, 708,589,569.30 and 411,926,870.20 is: 617,890,305.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,393,046.20 : 708,589,569.30 = 411,926,870.20 : x
  2. Step 2: Convert to fraction form
    472,393,046.20/708,589,569.30 = 411,926,870.20/x
  3. Step 3: Cross multiply
    472,393,046.20x = 708,589,569.30 × 411,926,870.20
  4. Step 4: Simplify right side
    472,393,046.20x = 291,887,083,538,115,008
  5. Step 5: Solve for x
    x = 291,887,083,538,115,008/472,393,046.20
  6. Step 6: Final answer
    x = 617,890,305.30

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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.