Home / 520,218,643.26-780,330,572.55-132,041,589.42

Finding the Fourth Proportional to 520,218,643.26, 780,330,572.55 and 132,041,589.42

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Solution

The fourth proportional to 520,218,643.26, 780,330,572.55 and 132,041,589.42 is: 198,063,046.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,218,643.26 : 780,330,572.55 = 132,041,589.42 : x
  2. Step 2: Convert to fraction form
    520,218,643.26/780,330,572.55 = 132,041,589.42/x
  3. Step 3: Cross multiply
    520,218,643.26x = 780,330,572.55 × 132,041,589.42
  4. Step 4: Simplify right side
    520,218,643.26x = 103,036,089,072,520,624
  5. Step 5: Solve for x
    x = 103,036,089,072,520,624/520,218,643.26
  6. Step 6: Final answer
    x = 198,063,046.00

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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.