Home / 394,687,799,139.95-591,961,715,974.35-179,505,939,314.86

Finding the Fourth Proportional to 394,687,799,139.95, 591,961,715,974.35 and 179,505,939,314.86

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Solution

The fourth proportional to 394,687,799,139.95, 591,961,715,974.35 and 179,505,939,314.86 is: 269,227,080,482.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,687,799,139.95 : 591,961,715,974.35 = 179,505,939,314.86 : x
  2. Step 2: Convert to fraction form
    394,687,799,139.95/591,961,715,974.35 = 179,505,939,314.86/x
  3. Step 3: Cross multiply
    394,687,799,139.95x = 591,961,715,974.35 × 179,505,939,314.86
  4. Step 4: Simplify right side
    394,687,799,139.95x = 106,260,643,864,412,057,239,552
  5. Step 5: Solve for x
    x = 106,260,643,864,412,057,239,552/394,687,799,139.95
  6. Step 6: Final answer
    x = 269,227,080,482.25

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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.