Home / 1,042,737,427-1,564,307,556.18-396,454,920.76

Finding the Fourth Proportional to 1,042,737,427, 1,564,307,556.18 and 396,454,920.76

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Solution

The fourth proportional to 1,042,737,427, 1,564,307,556.18 and 396,454,920.76 is: 594,758,960.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,042,737,427 : 1,564,307,556.18 = 396,454,920.76 : x
  2. Step 2: Convert to fraction form
    1,042,737,427/1,564,307,556.18 = 396,454,920.76/x
  3. Step 3: Cross multiply
    1,042,737,427x = 1,564,307,556.18 × 396,454,920.76
  4. Step 4: Simplify right side
    1,042,737,427x = 620,177,428,229,611,136
  5. Step 5: Solve for x
    x = 620,177,428,229,611,136/1,042,737,427
  6. Step 6: Final answer
    x = 594,758,960.57

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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.