Home / 20,715,717,759.57-28,587,636,738.45-11,560,150,601.97

Finding the Fourth Proportional to 20,715,717,759.57, 28,587,636,738.45 and 11,560,150,601.97

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Solution

The fourth proportional to 20,715,717,759.57, 28,587,636,738.45 and 11,560,150,601.97 is: 15,952,977,825.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,715,717,759.57 : 28,587,636,738.45 = 11,560,150,601.97 : x
  2. Step 2: Convert to fraction form
    20,715,717,759.57/28,587,636,738.45 = 11,560,150,601.97/x
  3. Step 3: Cross multiply
    20,715,717,759.57x = 28,587,636,738.45 × 11,560,150,601.97
  4. Step 4: Simplify right side
    20,715,717,759.57x = 330,477,386,050,731,835,392
  5. Step 5: Solve for x
    x = 330,477,386,050,731,835,392/20,715,717,759.57
  6. Step 6: Final answer
    x = 15,952,977,825.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.