Home / 945,554,362.75-1,304,851,399.74-522,185,937.92

Finding the Fourth Proportional to 945,554,362.75, 1,304,851,399.74 and 522,185,937.92

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Solution

The fourth proportional to 945,554,362.75, 1,304,851,399.74 and 522,185,937.92 is: 720,609,072.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,554,362.75 : 1,304,851,399.74 = 522,185,937.92 : x
  2. Step 2: Convert to fraction form
    945,554,362.75/1,304,851,399.74 = 522,185,937.92/x
  3. Step 3: Cross multiply
    945,554,362.75x = 1,304,851,399.74 × 522,185,937.92
  4. Step 4: Simplify right side
    945,554,362.75x = 681,375,052,025,158,912
  5. Step 5: Solve for x
    x = 681,375,052,025,158,912/945,554,362.75
  6. Step 6: Final answer
    x = 720,609,072.17

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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.