Home / 389,795,147.24-584,498,170.74-127,445,524.88

Finding the Fourth Proportional to 389,795,147.24, 584,498,170.74 and 127,445,524.88

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Solution

The fourth proportional to 389,795,147.24, 584,498,170.74 and 127,445,524.88 is: 191,104,678.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,795,147.24 : 584,498,170.74 = 127,445,524.88 : x
  2. Step 2: Convert to fraction form
    389,795,147.24/584,498,170.74 = 127,445,524.88/x
  3. Step 3: Cross multiply
    389,795,147.24x = 584,498,170.74 × 127,445,524.88
  4. Step 4: Simplify right side
    389,795,147.24x = 74,491,676,161,359,152
  5. Step 5: Solve for x
    x = 74,491,676,161,359,152/389,795,147.24
  6. Step 6: Final answer
    x = 191,104,678.16

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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.