Home / 631,016,390.95-946,543,869.32-216,487,397.52

Finding the Fourth Proportional to 631,016,390.95, 946,543,869.32 and 216,487,397.52

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Solution

The fourth proportional to 631,016,390.95, 946,543,869.32 and 216,487,397.52 is: 324,737,711.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,016,390.95 : 946,543,869.32 = 216,487,397.52 : x
  2. Step 2: Convert to fraction form
    631,016,390.95/946,543,869.32 = 216,487,397.52/x
  3. Step 3: Cross multiply
    631,016,390.95x = 946,543,869.32 × 216,487,397.52
  4. Step 4: Simplify right side
    631,016,390.95x = 204,914,818,906,515,360
  5. Step 5: Solve for x
    x = 204,914,818,906,515,360/631,016,390.95
  6. Step 6: Final answer
    x = 324,737,711.80

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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.