Home / 28,366,853,087.20-42,550,279,630.80-27,979,869,560.80

Finding the Fourth Proportional to 28,366,853,087.20, 42,550,279,630.80 and 27,979,869,560.80

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Solution

The fourth proportional to 28,366,853,087.20, 42,550,279,630.80 and 27,979,869,560.80 is: 41,969,804,341.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,366,853,087.20 : 42,550,279,630.80 = 27,979,869,560.80 : x
  2. Step 2: Convert to fraction form
    28,366,853,087.20/42,550,279,630.80 = 27,979,869,560.80/x
  3. Step 3: Cross multiply
    28,366,853,087.20x = 42,550,279,630.80 × 27,979,869,560.80
  4. Step 4: Simplify right side
    28,366,853,087.20x = 1,190,551,273,845,349,154,816
  5. Step 5: Solve for x
    x = 1,190,551,273,845,349,154,816/28,366,853,087.20
  6. Step 6: Final answer
    x = 41,969,804,341.20

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1.5x scale

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.