Home / 371,778,794,280.10-557,922,926,412.45-129,755,904,380.55

Finding the Fourth Proportional to 371,778,794,280.10, 557,922,926,412.45 and 129,755,904,380.55

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Solution

The fourth proportional to 371,778,794,280.10, 557,922,926,412.45 and 129,755,904,380.55 is: 194,722,762,581.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,778,794,280.10 : 557,922,926,412.45 = 129,755,904,380.55 : x
  2. Step 2: Convert to fraction form
    371,778,794,280.10/557,922,926,412.45 = 129,755,904,380.55/x
  3. Step 3: Cross multiply
    371,778,794,280.10x = 557,922,926,412.45 × 129,755,904,380.55
  4. Step 4: Simplify right side
    371,778,794,280.10x = 72,393,793,891,290,490,863,616
  5. Step 5: Solve for x
    x = 72,393,793,891,290,490,863,616/371,778,794,280.10
  6. Step 6: Final answer
    x = 194,722,762,581.10

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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.