Home / 988,410,025.43-1,364,002,091.92-542,380,851.30

Finding the Fourth Proportional to 988,410,025.43, 1,364,002,091.92 and 542,380,851.30

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Solution

The fourth proportional to 988,410,025.43, 1,364,002,091.92 and 542,380,851.30 is: 748,483,520.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,410,025.43 : 1,364,002,091.92 = 542,380,851.30 : x
  2. Step 2: Convert to fraction form
    988,410,025.43/1,364,002,091.92 = 542,380,851.30/x
  3. Step 3: Cross multiply
    988,410,025.43x = 1,364,002,091.92 × 542,380,851.30
  4. Step 4: Simplify right side
    988,410,025.43x = 739,808,615,790,550,400
  5. Step 5: Solve for x
    x = 739,808,615,790,550,400/988,410,025.43
  6. Step 6: Final answer
    x = 748,483,520.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.