Home / 11,581,387,972.56-15,981,036,607.44-6,499,586,356.20

Finding the Fourth Proportional to 11,581,387,972.56, 15,981,036,607.44 and 6,499,586,356.20

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Solution

The fourth proportional to 11,581,387,972.56, 15,981,036,607.44 and 6,499,586,356.20 is: 8,968,711,499.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,581,387,972.56 : 15,981,036,607.44 = 6,499,586,356.20 : x
  2. Step 2: Convert to fraction form
    11,581,387,972.56/15,981,036,607.44 = 6,499,586,356.20/x
  3. Step 3: Cross multiply
    11,581,387,972.56x = 15,981,036,607.44 × 6,499,586,356.20
  4. Step 4: Simplify right side
    11,581,387,972.56x = 103,870,127,491,649,765,376
  5. Step 5: Solve for x
    x = 103,870,127,491,649,765,376/11,581,387,972.56
  6. Step 6: Final answer
    x = 8,968,711,499.67

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Double scale
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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.