Home / 28,366,865,187.20-42,550,297,780.80-27,979,881,660.80

Finding the Fourth Proportional to 28,366,865,187.20, 42,550,297,780.80 and 27,979,881,660.80

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Solution

The fourth proportional to 28,366,865,187.20, 42,550,297,780.80 and 27,979,881,660.80 is: 41,969,822,491.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,366,865,187.20 : 42,550,297,780.80 = 27,979,881,660.80 : x
  2. Step 2: Convert to fraction form
    28,366,865,187.20/42,550,297,780.80 = 27,979,881,660.80/x
  3. Step 3: Cross multiply
    28,366,865,187.20x = 42,550,297,780.80 × 27,979,881,660.80
  4. Step 4: Simplify right side
    28,366,865,187.20x = 1,190,552,296,538,584,907,776
  5. Step 5: Solve for x
    x = 1,190,552,296,538,584,907,776/28,366,865,187.20
  6. Step 6: Final answer
    x = 41,969,822,491.20

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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.