Home / 942,148,150.65-1,413,375,615.46-278,229,325.55

Finding the Fourth Proportional to 942,148,150.65, 1,413,375,615.46 and 278,229,325.55

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Solution

The fourth proportional to 942,148,150.65, 1,413,375,615.46 and 278,229,325.55 is: 417,389,286.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,148,150.65 : 1,413,375,615.46 = 278,229,325.55 : x
  2. Step 2: Convert to fraction form
    942,148,150.65/1,413,375,615.46 = 278,229,325.55/x
  3. Step 3: Cross multiply
    942,148,150.65x = 1,413,375,615.46 × 278,229,325.55
  4. Step 4: Simplify right side
    942,148,150.65x = 393,242,544,230,489,536
  5. Step 5: Solve for x
    x = 393,242,544,230,489,536/942,148,150.65
  6. Step 6: Final answer
    x = 417,389,286.34

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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.