Home / 28,366,855,621.20-42,550,283,431.80-27,979,872,094.80

Finding the Fourth Proportional to 28,366,855,621.20, 42,550,283,431.80 and 27,979,872,094.80

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Solution

The fourth proportional to 28,366,855,621.20, 42,550,283,431.80 and 27,979,872,094.80 is: 41,969,808,142.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,366,855,621.20 : 42,550,283,431.80 = 27,979,872,094.80 : x
  2. Step 2: Convert to fraction form
    28,366,855,621.20/42,550,283,431.80 = 27,979,872,094.80/x
  3. Step 3: Cross multiply
    28,366,855,621.20x = 42,550,283,431.80 × 27,979,872,094.80
  4. Step 4: Simplify right side
    28,366,855,621.20x = 1,190,551,488,019,251,593,216
  5. Step 5: Solve for x
    x = 1,190,551,488,019,251,593,216/28,366,855,621.20
  6. Step 6: Final answer
    x = 41,969,808,142.20

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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.