Home / 911,403,277.14-1,257,740,375.04-493,715,561.88

Finding the Fourth Proportional to 911,403,277.14, 1,257,740,375.04 and 493,715,561.88

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Solution

The fourth proportional to 911,403,277.14, 1,257,740,375.04 and 493,715,561.88 is: 681,329,562.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,403,277.14 : 1,257,740,375.04 = 493,715,561.88 : x
  2. Step 2: Convert to fraction form
    911,403,277.14/1,257,740,375.04 = 493,715,561.88/x
  3. Step 3: Cross multiply
    911,403,277.14x = 1,257,740,375.04 × 493,715,561.88
  4. Step 4: Simplify right side
    911,403,277.14x = 620,965,995,962,035,456
  5. Step 5: Solve for x
    x = 620,965,995,962,035,456/911,403,277.14
  6. Step 6: Final answer
    x = 681,329,562.38

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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.