Home / 31,587,159,909.14-47,380,736,986.59-13,900,837,611.95

Finding the Fourth Proportional to 31,587,159,909.14, 47,380,736,986.59 and 13,900,837,611.95

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Solution

The fourth proportional to 31,587,159,909.14, 47,380,736,986.59 and 13,900,837,611.95 is: 20,851,255,151.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,587,159,909.14 : 47,380,736,986.59 = 13,900,837,611.95 : x
  2. Step 2: Convert to fraction form
    31,587,159,909.14/47,380,736,986.59 = 13,900,837,611.95/x
  3. Step 3: Cross multiply
    31,587,159,909.14x = 47,380,736,986.59 × 13,900,837,611.95
  4. Step 4: Simplify right side
    31,587,159,909.14x = 658,631,930,785,100,726,272
  5. Step 5: Solve for x
    x = 658,631,930,785,100,726,272/31,587,159,909.14
  6. Step 6: Final answer
    x = 20,851,255,151.77

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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.