Home / 399,210,516.40-550,910,479.98-222,998,510.16

Finding the Fourth Proportional to 399,210,516.40, 550,910,479.98 and 222,998,510.16

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Solution

The fourth proportional to 399,210,516.40, 550,910,479.98 and 222,998,510.16 is: 307,737,925.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,210,516.40 : 550,910,479.98 = 222,998,510.16 : x
  2. Step 2: Convert to fraction form
    399,210,516.40/550,910,479.98 = 222,998,510.16/x
  3. Step 3: Cross multiply
    399,210,516.40x = 550,910,479.98 × 222,998,510.16
  4. Step 4: Simplify right side
    399,210,516.40x = 122,852,216,267,070,512
  5. Step 5: Solve for x
    x = 122,852,216,267,070,512/399,210,516.40
  6. Step 6: Final answer
    x = 307,737,925.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.