Home / 864,253,568.88-1,296,438,031.80-303,948,173.52

Finding the Fourth Proportional to 864,253,568.88, 1,296,438,031.80 and 303,948,173.52

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Solution

The fourth proportional to 864,253,568.88, 1,296,438,031.80 and 303,948,173.52 is: 455,942,545.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,253,568.88 : 1,296,438,031.80 = 303,948,173.52 : x
  2. Step 2: Convert to fraction form
    864,253,568.88/1,296,438,031.80 = 303,948,173.52/x
  3. Step 3: Cross multiply
    864,253,568.88x = 1,296,438,031.80 × 303,948,173.52
  4. Step 4: Simplify right side
    864,253,568.88x = 394,049,971,847,473,664
  5. Step 5: Solve for x
    x = 394,049,971,847,473,664/864,253,568.88
  6. Step 6: Final answer
    x = 455,942,545.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.