Home / 212,968,694,332.43-319,472,679,714.70-69,548,474,239.32

Finding the Fourth Proportional to 212,968,694,332.43, 319,472,679,714.70 and 69,548,474,239.32

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Solution

The fourth proportional to 212,968,694,332.43, 319,472,679,714.70 and 69,548,474,239.32 is: 104,329,124,545.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,968,694,332.43 : 319,472,679,714.70 = 69,548,474,239.32 : x
  2. Step 2: Convert to fraction form
    212,968,694,332.43/319,472,679,714.70 = 69,548,474,239.32/x
  3. Step 3: Cross multiply
    212,968,694,332.43x = 319,472,679,714.70 × 69,548,474,239.32
  4. Step 4: Simplify right side
    212,968,694,332.43x = 22,218,837,435,304,344,813,568
  5. Step 5: Solve for x
    x = 22,218,837,435,304,344,813,568/212,968,694,332.43
  6. Step 6: Final answer
    x = 104,329,124,545.52

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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.