Home / 942,147,891.35-1,413,375,226.37-278,229,065.64

Finding the Fourth Proportional to 942,147,891.35, 1,413,375,226.37 and 278,229,065.64

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Solution

The fourth proportional to 942,147,891.35, 1,413,375,226.37 and 278,229,065.64 is: 417,388,896.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,147,891.35 : 1,413,375,226.37 = 278,229,065.64 : x
  2. Step 2: Convert to fraction form
    942,147,891.35/1,413,375,226.37 = 278,229,065.64/x
  3. Step 3: Cross multiply
    942,147,891.35x = 1,413,375,226.37 × 278,229,065.64
  4. Step 4: Simplify right side
    942,147,891.35x = 393,242,068,626,014,592
  5. Step 5: Solve for x
    x = 393,242,068,626,014,592/942,147,891.35
  6. Step 6: Final answer
    x = 417,388,896.41

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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.