Home / 322,829,520.72-484,241,089.92-147,902,936.40

Finding the Fourth Proportional to 322,829,520.72, 484,241,089.92 and 147,902,936.40

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Solution

The fourth proportional to 322,829,520.72, 484,241,089.92 and 147,902,936.40 is: 221,852,942.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,829,520.72 : 484,241,089.92 = 147,902,936.40 : x
  2. Step 2: Convert to fraction form
    322,829,520.72/484,241,089.92 = 147,902,936.40/x
  3. Step 3: Cross multiply
    322,829,520.72x = 484,241,089.92 × 147,902,936.40
  4. Step 4: Simplify right side
    322,829,520.72x = 71,620,679,124,704,448
  5. Step 5: Solve for x
    x = 71,620,679,124,704,448/322,829,520.72
  6. Step 6: Final answer
    x = 221,852,942.58

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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.