Home / 510,100,679.76-704,156,144.86-342,933,891.72

Finding the Fourth Proportional to 510,100,679.76, 704,156,144.86 and 342,933,891.72

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Solution

The fourth proportional to 510,100,679.76, 704,156,144.86 and 342,933,891.72 is: 473,394,795.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,100,679.76 : 704,156,144.86 = 342,933,891.72 : x
  2. Step 2: Convert to fraction form
    510,100,679.76/704,156,144.86 = 342,933,891.72/x
  3. Step 3: Cross multiply
    510,100,679.76x = 704,156,144.86 × 342,933,891.72
  4. Step 4: Simplify right side
    510,100,679.76x = 241,479,007,135,391,904
  5. Step 5: Solve for x
    x = 241,479,007,135,391,904/510,100,679.76
  6. Step 6: Final answer
    x = 473,394,795.81

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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.