Home / 637,391,029.10-956,086,543.65-378,472,973.90

Finding the Fourth Proportional to 637,391,029.10, 956,086,543.65 and 378,472,973.90

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Solution

The fourth proportional to 637,391,029.10, 956,086,543.65 and 378,472,973.90 is: 567,709,460.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,391,029.10 : 956,086,543.65 = 378,472,973.90 : x
  2. Step 2: Convert to fraction form
    637,391,029.10/956,086,543.65 = 378,472,973.90/x
  3. Step 3: Cross multiply
    637,391,029.10x = 956,086,543.65 × 378,472,973.90
  4. Step 4: Simplify right side
    637,391,029.10x = 361,852,917,480,987,648
  5. Step 5: Solve for x
    x = 361,852,917,480,987,648/637,391,029.10
  6. Step 6: Final answer
    x = 567,709,460.85

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Similar ratio
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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.