Home / 631,016,399.46-946,543,882.07-216,487,406.02

Finding the Fourth Proportional to 631,016,399.46, 946,543,882.07 and 216,487,406.02

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Solution

The fourth proportional to 631,016,399.46, 946,543,882.07 and 216,487,406.02 is: 324,737,724.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,016,399.46 : 946,543,882.07 = 216,487,406.02 : x
  2. Step 2: Convert to fraction form
    631,016,399.46/946,543,882.07 = 216,487,406.02/x
  3. Step 3: Cross multiply
    631,016,399.46x = 946,543,882.07 × 216,487,406.02
  4. Step 4: Simplify right side
    631,016,399.46x = 204,914,829,713,435,104
  5. Step 5: Solve for x
    x = 204,914,829,713,435,104/631,016,399.46
  6. Step 6: Final answer
    x = 324,737,724.55

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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.