Home / 945,015,637.25-1,304,121,707.06-521,629,378.38

Finding the Fourth Proportional to 945,015,637.25, 1,304,121,707.06 and 521,629,378.38

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Solution

The fourth proportional to 945,015,637.25, 1,304,121,707.06 and 521,629,378.38 is: 719,848,612.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,015,637.25 : 1,304,121,707.06 = 521,629,378.38 : x
  2. Step 2: Convert to fraction form
    945,015,637.25/1,304,121,707.06 = 521,629,378.38/x
  3. Step 3: Cross multiply
    945,015,637.25x = 1,304,121,707.06 × 521,629,378.38
  4. Step 4: Simplify right side
    945,015,637.25x = 680,268,195,382,964,096
  5. Step 5: Solve for x
    x = 680,268,195,382,964,096/945,015,637.25
  6. Step 6: Final answer
    x = 719,848,612.62

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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.