Home / 769,917,737.88-1,154,944,472.04-217,225,007.64

Finding the Fourth Proportional to 769,917,737.88, 1,154,944,472.04 and 217,225,007.64

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Solution

The fourth proportional to 769,917,737.88, 1,154,944,472.04 and 217,225,007.64 is: 325,856,658.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,917,737.88 : 1,154,944,472.04 = 217,225,007.64 : x
  2. Step 2: Convert to fraction form
    769,917,737.88/1,154,944,472.04 = 217,225,007.64/x
  3. Step 3: Cross multiply
    769,917,737.88x = 1,154,944,472.04 × 217,225,007.64
  4. Step 4: Simplify right side
    769,917,737.88x = 250,882,821,762,664,736
  5. Step 5: Solve for x
    x = 250,882,821,762,664,736/769,917,737.88
  6. Step 6: Final answer
    x = 325,856,658.99

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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.