Home / 637,315,256.10-955,972,884.15-378,397,200.90

Finding the Fourth Proportional to 637,315,256.10, 955,972,884.15 and 378,397,200.90

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Solution

The fourth proportional to 637,315,256.10, 955,972,884.15 and 378,397,200.90 is: 567,595,801.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,315,256.10 : 955,972,884.15 = 378,397,200.90 : x
  2. Step 2: Convert to fraction form
    637,315,256.10/955,972,884.15 = 378,397,200.90/x
  3. Step 3: Cross multiply
    637,315,256.10x = 955,972,884.15 × 378,397,200.90
  4. Step 4: Simplify right side
    637,315,256.10x = 361,737,463,498,659,968
  5. Step 5: Solve for x
    x = 361,737,463,498,659,968/637,315,256.10
  6. Step 6: Final answer
    x = 567,595,801.35

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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.