Home / 749,923,629.50-1,034,894,520.05-448,508,894.52

Finding the Fourth Proportional to 749,923,629.50, 1,034,894,520.05 and 448,508,894.52

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Solution

The fourth proportional to 749,923,629.50, 1,034,894,520.05 and 448,508,894.52 is: 618,942,221.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,923,629.50 : 1,034,894,520.05 = 448,508,894.52 : x
  2. Step 2: Convert to fraction form
    749,923,629.50/1,034,894,520.05 = 448,508,894.52/x
  3. Step 3: Cross multiply
    749,923,629.50x = 1,034,894,520.05 × 448,508,894.52
  4. Step 4: Simplify right side
    749,923,629.50x = 464,159,397,132,431,424
  5. Step 5: Solve for x
    x = 464,159,397,132,431,424/749,923,629.50
  6. Step 6: Final answer
    x = 618,942,221.41

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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.