Home / 18,267,581,715.90-27,403,923,490.65-7,786,714,890.30

Finding the Fourth Proportional to 18,267,581,715.90, 27,403,923,490.65 and 7,786,714,890.30

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Solution

The fourth proportional to 18,267,581,715.90, 27,403,923,490.65 and 7,786,714,890.30 is: 11,681,159,685.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,267,581,715.90 : 27,403,923,490.65 = 7,786,714,890.30 : x
  2. Step 2: Convert to fraction form
    18,267,581,715.90/27,403,923,490.65 = 7,786,714,890.30/x
  3. Step 3: Cross multiply
    18,267,581,715.90x = 27,403,923,490.65 × 7,786,714,890.30
  4. Step 4: Simplify right side
    18,267,581,715.90x = 213,386,539,097,286,311,936
  5. Step 5: Solve for x
    x = 213,386,539,097,286,311,936/18,267,581,715.90
  6. Step 6: Final answer
    x = 11,681,159,685.83

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Double scale
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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.