Home / 19,276,739,834.95-28,899,902,512.85-12,179,262,747.70

Finding the Fourth Proportional to 19,276,739,834.95, 28,899,902,512.85 and 12,179,262,747.70

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Solution

The fourth proportional to 19,276,739,834.95, 28,899,902,512.85 and 12,179,262,747.70 is: 18,259,286,015.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,276,739,834.95 : 28,899,902,512.85 = 12,179,262,747.70 : x
  2. Step 2: Convert to fraction form
    19,276,739,834.95/28,899,902,512.85 = 12,179,262,747.70/x
  3. Step 3: Cross multiply
    19,276,739,834.95x = 28,899,902,512.85 × 12,179,262,747.70
  4. Step 4: Simplify right side
    19,276,739,834.95x = 351,979,506,086,920,192,000
  5. Step 5: Solve for x
    x = 351,979,506,086,920,192,000/19,276,739,834.95
  6. Step 6: Final answer
    x = 18,259,286,015.20

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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.