Home / 520,218,645.26-780,330,575.55-132,041,591.42

Finding the Fourth Proportional to 520,218,645.26, 780,330,575.55 and 132,041,591.42

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Solution

The fourth proportional to 520,218,645.26, 780,330,575.55 and 132,041,591.42 is: 198,063,049.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,218,645.26 : 780,330,575.55 = 132,041,591.42 : x
  2. Step 2: Convert to fraction form
    520,218,645.26/780,330,575.55 = 132,041,591.42/x
  3. Step 3: Cross multiply
    520,218,645.26x = 780,330,575.55 × 132,041,591.42
  4. Step 4: Simplify right side
    520,218,645.26x = 103,036,091,029,306,544
  5. Step 5: Solve for x
    x = 103,036,091,029,306,544/520,218,645.26
  6. Step 6: Final answer
    x = 198,063,049.00

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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.