Home / 547,973,744.20-821,960,600.42-252,781,526.17

Finding the Fourth Proportional to 547,973,744.20, 821,960,600.42 and 252,781,526.17

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Solution

The fourth proportional to 547,973,744.20, 821,960,600.42 and 252,781,526.17 is: 379,172,281.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,973,744.20 : 821,960,600.42 = 252,781,526.17 : x
  2. Step 2: Convert to fraction form
    547,973,744.20/821,960,600.42 = 252,781,526.17/x
  3. Step 3: Cross multiply
    547,973,744.20x = 821,960,600.42 × 252,781,526.17
  4. Step 4: Simplify right side
    547,973,744.20x = 207,776,455,025,777,120
  5. Step 5: Solve for x
    x = 207,776,455,025,777,120/547,973,744.20
  6. Step 6: Final answer
    x = 379,172,281.93

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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.