Home / 880,534,198.17-1,321,163,348.22-388,988,043.93

Finding the Fourth Proportional to 880,534,198.17, 1,321,163,348.22 and 388,988,043.93

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Solution

The fourth proportional to 880,534,198.17, 1,321,163,348.22 and 388,988,043.93 is: 583,642,006.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,534,198.17 : 1,321,163,348.22 = 388,988,043.93 : x
  2. Step 2: Convert to fraction form
    880,534,198.17/1,321,163,348.22 = 388,988,043.93/x
  3. Step 3: Cross multiply
    880,534,198.17x = 1,321,163,348.22 × 388,988,043.93
  4. Step 4: Simplify right side
    880,534,198.17x = 513,916,746,536,107,264
  5. Step 5: Solve for x
    x = 513,916,746,536,107,264/880,534,198.17
  6. Step 6: Final answer
    x = 583,642,006.87

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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.