Home / 631,016,400.72-946,543,883.88-216,487,407.24

Finding the Fourth Proportional to 631,016,400.72, 946,543,883.88 and 216,487,407.24

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Solution

The fourth proportional to 631,016,400.72, 946,543,883.88 and 216,487,407.24 is: 324,737,726.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,016,400.72 : 946,543,883.88 = 216,487,407.24 : x
  2. Step 2: Convert to fraction form
    631,016,400.72/946,543,883.88 = 216,487,407.24/x
  3. Step 3: Cross multiply
    631,016,400.72x = 946,543,883.88 × 216,487,407.24
  4. Step 4: Simplify right side
    631,016,400.72x = 204,914,831,260,060,832
  5. Step 5: Solve for x
    x = 204,914,831,260,060,832/631,016,400.72
  6. Step 6: Final answer
    x = 324,737,726.35

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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.