Home / 900,156,568.10-1,348,487,761.53-663,376,067.24

Finding the Fourth Proportional to 900,156,568.10, 1,348,487,761.53 and 663,376,067.24

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Solution

The fourth proportional to 900,156,568.10, 1,348,487,761.53 and 663,376,067.24 is: 993,776,571.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    900,156,568.10 : 1,348,487,761.53 = 663,376,067.24 : x
  2. Step 2: Convert to fraction form
    900,156,568.10/1,348,487,761.53 = 663,376,067.24/x
  3. Step 3: Cross multiply
    900,156,568.10x = 1,348,487,761.53 × 663,376,067.24
  4. Step 4: Simplify right side
    900,156,568.10x = 894,554,507,965,042,304
  5. Step 5: Solve for x
    x = 894,554,507,965,042,304/900,156,568.10
  6. Step 6: Final answer
    x = 993,776,571.39

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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.