Home / 670,974,585,016.60-925,947,755,144.85-378,003,023,147.63

Finding the Fourth Proportional to 670,974,585,016.60, 925,947,755,144.85 and 378,003,023,147.63

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Solution

The fourth proportional to 670,974,585,016.60, 925,947,755,144.85 and 378,003,023,147.63 is: 521,645,765,037.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,974,585,016.60 : 925,947,755,144.85 = 378,003,023,147.63 : x
  2. Step 2: Convert to fraction form
    670,974,585,016.60/925,947,755,144.85 = 378,003,023,147.63/x
  3. Step 3: Cross multiply
    670,974,585,016.60x = 925,947,755,144.85 × 378,003,023,147.63
  4. Step 4: Simplify right side
    670,974,585,016.60x = 350,011,050,721,514,797,137,920
  5. Step 5: Solve for x
    x = 350,011,050,721,514,797,137,920/670,974,585,016.60
  6. Step 6: Final answer
    x = 521,645,765,037.22

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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.