Home / 918,456,099.90-1,377,684,149.85-551,124,080.70

Finding the Fourth Proportional to 918,456,099.90, 1,377,684,149.85 and 551,124,080.70

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Solution

The fourth proportional to 918,456,099.90, 1,377,684,149.85 and 551,124,080.70 is: 826,686,121.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,456,099.90 : 1,377,684,149.85 = 551,124,080.70 : x
  2. Step 2: Convert to fraction form
    918,456,099.90/1,377,684,149.85 = 551,124,080.70/x
  3. Step 3: Cross multiply
    918,456,099.90x = 1,377,684,149.85 × 551,124,080.70
  4. Step 4: Simplify right side
    918,456,099.90x = 759,274,910,581,042,304
  5. Step 5: Solve for x
    x = 759,274,910,581,042,304/918,456,099.90
  6. Step 6: Final answer
    x = 826,686,121.05

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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.