Home / 79,863,260,375.70-119,802,254,894.57-26,080,677,840.78

Finding the Fourth Proportional to 79,863,260,375.70, 119,802,254,894.57 and 26,080,677,840.78

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Solution

The fourth proportional to 79,863,260,375.70, 119,802,254,894.57 and 26,080,677,840.78 is: 39,123,421,706.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,863,260,375.70 : 119,802,254,894.57 = 26,080,677,840.78 : x
  2. Step 2: Convert to fraction form
    79,863,260,375.70/119,802,254,894.57 = 26,080,677,840.78/x
  3. Step 3: Cross multiply
    79,863,260,375.70x = 119,802,254,894.57 × 26,080,677,840.78
  4. Step 4: Simplify right side
    79,863,260,375.70x = 3,124,524,014,503,690,502,144
  5. Step 5: Solve for x
    x = 3,124,524,014,503,690,502,144/79,863,260,375.70
  6. Step 6: Final answer
    x = 39,123,421,706.12

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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.