Home / 674,048,604.78-930,190,514.31-376,695,809.82

Finding the Fourth Proportional to 674,048,604.78, 930,190,514.31 and 376,695,809.82

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Solution

The fourth proportional to 674,048,604.78, 930,190,514.31 and 376,695,809.82 is: 519,842,139.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,048,604.78 : 930,190,514.31 = 376,695,809.82 : x
  2. Step 2: Convert to fraction form
    674,048,604.78/930,190,514.31 = 376,695,809.82/x
  3. Step 3: Cross multiply
    674,048,604.78x = 930,190,514.31 × 376,695,809.82
  4. Step 4: Simplify right side
    674,048,604.78x = 350,398,869,074,887,744
  5. Step 5: Solve for x
    x = 350,398,869,074,887,744/674,048,604.78
  6. Step 6: Final answer
    x = 519,842,139.85

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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.