Home / 231,864,008.20-347,796,012.30-220,526,600.20

Finding the Fourth Proportional to 231,864,008.20, 347,796,012.30 and 220,526,600.20

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Solution

The fourth proportional to 231,864,008.20, 347,796,012.30 and 220,526,600.20 is: 330,789,900.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,864,008.20 : 347,796,012.30 = 220,526,600.20 : x
  2. Step 2: Convert to fraction form
    231,864,008.20/347,796,012.30 = 220,526,600.20/x
  3. Step 3: Cross multiply
    231,864,008.20x = 347,796,012.30 × 220,526,600.20
  4. Step 4: Simplify right side
    231,864,008.20x = 76,698,272,155,636,384
  5. Step 5: Solve for x
    x = 76,698,272,155,636,384/231,864,008.20
  6. Step 6: Final answer
    x = 330,789,900.30

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Double scale
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Similar ratio
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1.5x scale

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.