Home / 5,218,844,965.22-7,202,007,118.32-2,872,001,509.22

Finding the Fourth Proportional to 5,218,844,965.22, 7,202,007,118.32 and 2,872,001,509.22

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Solution

The fourth proportional to 5,218,844,965.22, 7,202,007,118.32 and 2,872,001,509.22 is: 3,963,362,669.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,218,844,965.22 : 7,202,007,118.32 = 2,872,001,509.22 : x
  2. Step 2: Convert to fraction form
    5,218,844,965.22/7,202,007,118.32 = 2,872,001,509.22/x
  3. Step 3: Cross multiply
    5,218,844,965.22x = 7,202,007,118.32 × 2,872,001,509.22
  4. Step 4: Simplify right side
    5,218,844,965.22x = 20,684,175,313,228,222,464
  5. Step 5: Solve for x
    x = 20,684,175,313,228,222,464/5,218,844,965.22
  6. Step 6: Final answer
    x = 3,963,362,669.53

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1.5x scale

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.