Home / 472,221,014.20-708,331,521.30-242,638,502.20

Finding the Fourth Proportional to 472,221,014.20, 708,331,521.30 and 242,638,502.20

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Solution

The fourth proportional to 472,221,014.20, 708,331,521.30 and 242,638,502.20 is: 363,957,753.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,221,014.20 : 708,331,521.30 = 242,638,502.20 : x
  2. Step 2: Convert to fraction form
    472,221,014.20/708,331,521.30 = 242,638,502.20/x
  3. Step 3: Cross multiply
    472,221,014.20x = 708,331,521.30 × 242,638,502.20
  4. Step 4: Simplify right side
    472,221,014.20x = 171,868,499,389,279,392
  5. Step 5: Solve for x
    x = 171,868,499,389,279,392/472,221,014.20
  6. Step 6: Final answer
    x = 363,957,753.30

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Double scale
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Similar ratio
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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.