Home / 384,912,326.20-577,368,489.30-126,065,129.80

Finding the Fourth Proportional to 384,912,326.20, 577,368,489.30 and 126,065,129.80

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Solution

The fourth proportional to 384,912,326.20, 577,368,489.30 and 126,065,129.80 is: 189,097,694.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,912,326.20 : 577,368,489.30 = 126,065,129.80 : x
  2. Step 2: Convert to fraction form
    384,912,326.20/577,368,489.30 = 126,065,129.80/x
  3. Step 3: Cross multiply
    384,912,326.20x = 577,368,489.30 × 126,065,129.80
  4. Step 4: Simplify right side
    384,912,326.20x = 72,786,033,546,034,400
  5. Step 5: Solve for x
    x = 72,786,033,546,034,400/384,912,326.20
  6. Step 6: Final answer
    x = 189,097,694.70

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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.