Home / 19,131,910,116.15-28,697,865,174.23-12,106,685,248.95

Finding the Fourth Proportional to 19,131,910,116.15, 28,697,865,174.23 and 12,106,685,248.95

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Solution

The fourth proportional to 19,131,910,116.15, 28,697,865,174.23 and 12,106,685,248.95 is: 18,160,027,873.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,131,910,116.15 : 28,697,865,174.23 = 12,106,685,248.95 : x
  2. Step 2: Convert to fraction form
    19,131,910,116.15/28,697,865,174.23 = 12,106,685,248.95/x
  3. Step 3: Cross multiply
    19,131,910,116.15x = 28,697,865,174.23 × 12,106,685,248.95
  4. Step 4: Simplify right side
    19,131,910,116.15x = 347,436,020,981,145,731,072
  5. Step 5: Solve for x
    x = 347,436,020,981,145,731,072/19,131,910,116.15
  6. Step 6: Final answer
    x = 18,160,027,873.43

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Double scale
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Similar ratio
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1.5x scale

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.