Home / 1,002,175,993-1,383,000,042.18-556,206,691.24

Finding the Fourth Proportional to 1,002,175,993, 1,383,000,042.18 and 556,206,691.24

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Solution

The fourth proportional to 1,002,175,993, 1,383,000,042.18 and 556,206,691.24 is: 767,563,664.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,002,175,993 : 1,383,000,042.18 = 556,206,691.24 : x
  2. Step 2: Convert to fraction form
    1,002,175,993/1,383,000,042.18 = 556,206,691.24/x
  3. Step 3: Cross multiply
    1,002,175,993x = 1,383,000,042.18 × 556,206,691.24
  4. Step 4: Simplify right side
    1,002,175,993x = 769,233,877,445,718,272
  5. Step 5: Solve for x
    x = 769,233,877,445,718,272/1,002,175,993
  6. Step 6: Final answer
    x = 767,563,664.29

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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.