Home / 353,677,645.37-488,063,704.61-202,995,103.16

Finding the Fourth Proportional to 353,677,645.37, 488,063,704.61 and 202,995,103.16

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Solution

The fourth proportional to 353,677,645.37, 488,063,704.61 and 202,995,103.16 is: 280,126,672.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,677,645.37 : 488,063,704.61 = 202,995,103.16 : x
  2. Step 2: Convert to fraction form
    353,677,645.37/488,063,704.61 = 202,995,103.16/x
  3. Step 3: Cross multiply
    353,677,645.37x = 488,063,704.61 × 202,995,103.16
  4. Step 4: Simplify right side
    353,677,645.37x = 99,074,542,067,686,368
  5. Step 5: Solve for x
    x = 99,074,542,067,686,368/353,677,645.37
  6. Step 6: Final answer
    x = 280,126,672.87

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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.