Home / 5,268,071,113.29-7,270,397,895.15-2,889,668,732.25

Finding the Fourth Proportional to 5,268,071,113.29, 7,270,397,895.15 and 2,889,668,732.25

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Solution

The fourth proportional to 5,268,071,113.29, 7,270,397,895.15 and 2,889,668,732.25 is: 3,987,995,039.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,268,071,113.29 : 7,270,397,895.15 = 2,889,668,732.25 : x
  2. Step 2: Convert to fraction form
    5,268,071,113.29/7,270,397,895.15 = 2,889,668,732.25/x
  3. Step 3: Cross multiply
    5,268,071,113.29x = 7,270,397,895.15 × 2,889,668,732.25
  4. Step 4: Simplify right side
    5,268,071,113.29x = 21,009,041,468,631,166,976
  5. Step 5: Solve for x
    x = 21,009,041,468,631,166,976/5,268,071,113.29
  6. Step 6: Final answer
    x = 3,987,995,039.71

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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.