Home / 858,595,578.44-1,287,620,331.24-276,194,254.64

Finding the Fourth Proportional to 858,595,578.44, 1,287,620,331.24 and 276,194,254.64

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Solution

The fourth proportional to 858,595,578.44, 1,287,620,331.24 and 276,194,254.64 is: 414,203,551.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,595,578.44 : 1,287,620,331.24 = 276,194,254.64 : x
  2. Step 2: Convert to fraction form
    858,595,578.44/1,287,620,331.24 = 276,194,254.64/x
  3. Step 3: Cross multiply
    858,595,578.44x = 1,287,620,331.24 × 276,194,254.64
  4. Step 4: Simplify right side
    858,595,578.44x = 355,633,337,646,141,696
  5. Step 5: Solve for x
    x = 355,633,337,646,141,696/858,595,578.44
  6. Step 6: Final answer
    x = 414,203,551.21

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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.