Home / 52,362,940,399.07-78,544,411,637.79-12,568,715,248.21

Finding the Fourth Proportional to 52,362,940,399.07, 78,544,411,637.79 and 12,568,715,248.21

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Solution

The fourth proportional to 52,362,940,399.07, 78,544,411,637.79 and 12,568,715,248.21 is: 18,853,073,121.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,362,940,399.07 : 78,544,411,637.79 = 12,568,715,248.21 : x
  2. Step 2: Convert to fraction form
    52,362,940,399.07/78,544,411,637.79 = 12,568,715,248.21/x
  3. Step 3: Cross multiply
    52,362,940,399.07x = 78,544,411,637.79 × 12,568,715,248.21
  4. Step 4: Simplify right side
    52,362,940,399.07x = 987,202,344,213,454,782,464
  5. Step 5: Solve for x
    x = 987,202,344,213,454,782,464/52,362,940,399.07
  6. Step 6: Final answer
    x = 18,853,073,121.75

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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.