Home / 411,211,989.62-616,757,311.46-120,000,922.04

Finding the Fourth Proportional to 411,211,989.62, 616,757,311.46 and 120,000,922.04

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Solution

The fourth proportional to 411,211,989.62, 616,757,311.46 and 120,000,922.04 is: 179,983,677.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,211,989.62 : 616,757,311.46 = 120,000,922.04 : x
  2. Step 2: Convert to fraction form
    411,211,989.62/616,757,311.46 = 120,000,922.04/x
  3. Step 3: Cross multiply
    411,211,989.62x = 616,757,311.46 × 120,000,922.04
  4. Step 4: Simplify right side
    411,211,989.62x = 74,011,446,050,111,472
  5. Step 5: Solve for x
    x = 74,011,446,050,111,472/411,211,989.62
  6. Step 6: Final answer
    x = 179,983,677.32

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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.