Home / 655,172,321.24-904,160,115.85-387,477,626.60

Finding the Fourth Proportional to 655,172,321.24, 904,160,115.85 and 387,477,626.60

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Solution

The fourth proportional to 655,172,321.24, 904,160,115.85 and 387,477,626.60 is: 534,732,320.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,172,321.24 : 904,160,115.85 = 387,477,626.60 : x
  2. Step 2: Convert to fraction form
    655,172,321.24/904,160,115.85 = 387,477,626.60/x
  3. Step 3: Cross multiply
    655,172,321.24x = 904,160,115.85 × 387,477,626.60
  4. Step 4: Simplify right side
    655,172,321.24x = 350,341,815,753,841,280
  5. Step 5: Solve for x
    x = 350,341,815,753,841,280/655,172,321.24
  6. Step 6: Final answer
    x = 534,732,320.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.