Home / 631,016,370.71-946,543,838.92-216,487,377.24

Finding the Fourth Proportional to 631,016,370.71, 946,543,838.92 and 216,487,377.24

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Solution

The fourth proportional to 631,016,370.71, 946,543,838.92 and 216,487,377.24 is: 324,737,681.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,016,370.71 : 946,543,838.92 = 216,487,377.24 : x
  2. Step 2: Convert to fraction form
    631,016,370.71/946,543,838.92 = 216,487,377.24/x
  3. Step 3: Cross multiply
    631,016,370.71x = 946,543,838.92 × 216,487,377.24
  4. Step 4: Simplify right side
    631,016,370.71x = 204,914,793,134,679,488
  5. Step 5: Solve for x
    x = 204,914,793,134,679,488/631,016,370.71
  6. Step 6: Final answer
    x = 324,737,681.37

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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.