Home / 631,016,388.70-946,543,865.94-216,487,395.27

Finding the Fourth Proportional to 631,016,388.70, 946,543,865.94 and 216,487,395.27

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Solution

The fourth proportional to 631,016,388.70, 946,543,865.94 and 216,487,395.27 is: 324,737,708.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,016,388.70 : 946,543,865.94 = 216,487,395.27 : x
  2. Step 2: Convert to fraction form
    631,016,388.70/946,543,865.94 = 216,487,395.27/x
  3. Step 3: Cross multiply
    631,016,388.70x = 946,543,865.94 × 216,487,395.27
  4. Step 4: Simplify right side
    631,016,388.70x = 204,914,816,046,146,688
  5. Step 5: Solve for x
    x = 204,914,816,046,146,688/631,016,388.70
  6. Step 6: Final answer
    x = 324,737,708.43

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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.