Home / 942,148,152.15-1,413,375,617.72-278,229,327.05

Finding the Fourth Proportional to 942,148,152.15, 1,413,375,617.72 and 278,229,327.05

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Solution

The fourth proportional to 942,148,152.15, 1,413,375,617.72 and 278,229,327.05 is: 417,389,288.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,148,152.15 : 1,413,375,617.72 = 278,229,327.05 : x
  2. Step 2: Convert to fraction form
    942,148,152.15/1,413,375,617.72 = 278,229,327.05/x
  3. Step 3: Cross multiply
    942,148,152.15x = 1,413,375,617.72 × 278,229,327.05
  4. Step 4: Simplify right side
    942,148,152.15x = 393,242,546,978,655,616
  5. Step 5: Solve for x
    x = 393,242,546,978,655,616/942,148,152.15
  6. Step 6: Final answer
    x = 417,389,288.60

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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.