Home / 520,218,584.53-780,330,484.59-132,041,530.42

Finding the Fourth Proportional to 520,218,584.53, 780,330,484.59 and 132,041,530.42

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Solution

The fourth proportional to 520,218,584.53, 780,330,484.59 and 132,041,530.42 is: 198,062,957.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,218,584.53 : 780,330,484.59 = 132,041,530.42 : x
  2. Step 2: Convert to fraction form
    520,218,584.53/780,330,484.59 = 132,041,530.42/x
  3. Step 3: Cross multiply
    520,218,584.53x = 780,330,484.59 × 132,041,530.42
  4. Step 4: Simplify right side
    520,218,584.53x = 103,036,031,418,643,840
  5. Step 5: Solve for x
    x = 103,036,031,418,643,840/520,218,584.53
  6. Step 6: Final answer
    x = 198,062,957.54

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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.