Home / 455,867,644.46-683,633,960.57-156,651,715.76

Finding the Fourth Proportional to 455,867,644.46, 683,633,960.57 and 156,651,715.76

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Solution

The fourth proportional to 455,867,644.46, 683,633,960.57 and 156,651,715.76 is: 234,920,012.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,867,644.46 : 683,633,960.57 = 156,651,715.76 : x
  2. Step 2: Convert to fraction form
    455,867,644.46/683,633,960.57 = 156,651,715.76/x
  3. Step 3: Cross multiply
    455,867,644.46x = 683,633,960.57 × 156,651,715.76
  4. Step 4: Simplify right side
    455,867,644.46x = 107,092,432,872,068,144
  5. Step 5: Solve for x
    x = 107,092,432,872,068,144/455,867,644.46
  6. Step 6: Final answer
    x = 234,920,012.80

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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.