Home / 20,179,747,045.78-30,269,510,460.68-8,227,952,505.97

Finding the Fourth Proportional to 20,179,747,045.78, 30,269,510,460.68 and 8,227,952,505.97

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Solution

The fourth proportional to 20,179,747,045.78, 30,269,510,460.68 and 8,227,952,505.97 is: 12,341,883,864.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,179,747,045.78 : 30,269,510,460.68 = 8,227,952,505.97 : x
  2. Step 2: Convert to fraction form
    20,179,747,045.78/30,269,510,460.68 = 8,227,952,505.97/x
  3. Step 3: Cross multiply
    20,179,747,045.78x = 30,269,510,460.68 × 8,227,952,505.97
  4. Step 4: Simplify right side
    20,179,747,045.78x = 249,056,094,449,320,296,448
  5. Step 5: Solve for x
    x = 249,056,094,449,320,296,448/20,179,747,045.78
  6. Step 6: Final answer
    x = 12,341,883,864.27

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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.