Home / 881,170,175.70-1,217,758,834.47-722,149,534.91

Finding the Fourth Proportional to 881,170,175.70, 1,217,758,834.47 and 722,149,534.91

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Solution

The fourth proportional to 881,170,175.70, 1,217,758,834.47 and 722,149,534.91 is: 997,995,620.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,170,175.70 : 1,217,758,834.47 = 722,149,534.91 : x
  2. Step 2: Convert to fraction form
    881,170,175.70/1,217,758,834.47 = 722,149,534.91/x
  3. Step 3: Cross multiply
    881,170,175.70x = 1,217,758,834.47 × 722,149,534.91
  4. Step 4: Simplify right side
    881,170,175.70x = 879,403,975,938,965,376
  5. Step 5: Solve for x
    x = 879,403,975,938,965,376/881,170,175.70
  6. Step 6: Final answer
    x = 997,995,620.13

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1.5x scale

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.