Home / 520,218,583.53-780,330,483.09-132,041,529.42

Finding the Fourth Proportional to 520,218,583.53, 780,330,483.09 and 132,041,529.42

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Solution

The fourth proportional to 520,218,583.53, 780,330,483.09 and 132,041,529.42 is: 198,062,956.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,218,583.53 : 780,330,483.09 = 132,041,529.42 : x
  2. Step 2: Convert to fraction form
    520,218,583.53/780,330,483.09 = 132,041,529.42/x
  3. Step 3: Cross multiply
    520,218,583.53x = 780,330,483.09 × 132,041,529.42
  4. Step 4: Simplify right side
    520,218,583.53x = 103,036,030,440,251,056
  5. Step 5: Solve for x
    x = 103,036,030,440,251,056/520,218,583.53
  6. Step 6: Final answer
    x = 198,062,956.04

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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.