Home / 547,984,811.89-822,098,120.64-159,838,020.19

Finding the Fourth Proportional to 547,984,811.89, 822,098,120.64 and 159,838,020.19

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Solution

The fourth proportional to 547,984,811.89, 822,098,120.64 and 159,838,020.19 is: 239,792,295.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,984,811.89 : 822,098,120.64 = 159,838,020.19 : x
  2. Step 2: Convert to fraction form
    547,984,811.89/822,098,120.64 = 159,838,020.19/x
  3. Step 3: Cross multiply
    547,984,811.89x = 822,098,120.64 × 159,838,020.19
  4. Step 4: Simplify right side
    547,984,811.89x = 131,402,536,005,017,376
  5. Step 5: Solve for x
    x = 131,402,536,005,017,376/547,984,811.89
  6. Step 6: Final answer
    x = 239,792,295.61

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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.