Home / 631,016,398.46-946,543,880.57-216,487,405.02

Finding the Fourth Proportional to 631,016,398.46, 946,543,880.57 and 216,487,405.02

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Solution

The fourth proportional to 631,016,398.46, 946,543,880.57 and 216,487,405.02 is: 324,737,723.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,016,398.46 : 946,543,880.57 = 216,487,405.02 : x
  2. Step 2: Convert to fraction form
    631,016,398.46/946,543,880.57 = 216,487,405.02/x
  3. Step 3: Cross multiply
    631,016,398.46x = 946,543,880.57 × 216,487,405.02
  4. Step 4: Simplify right side
    631,016,398.46x = 204,914,828,441,077,696
  5. Step 5: Solve for x
    x = 204,914,828,441,077,696/631,016,398.46
  6. Step 6: Final answer
    x = 324,737,723.05

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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.