Home / 491,148,385.92-677,780,615.52-271,127,088

Finding the Fourth Proportional to 491,148,385.92, 677,780,615.52 and 271,127,088

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Solution

The fourth proportional to 491,148,385.92, 677,780,615.52 and 271,127,088 is: 374,153,086.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,148,385.92 : 677,780,615.52 = 271,127,088 : x
  2. Step 2: Convert to fraction form
    491,148,385.92/677,780,615.52 = 271,127,088/x
  3. Step 3: Cross multiply
    491,148,385.92x = 677,780,615.52 × 271,127,088
  4. Step 4: Simplify right side
    491,148,385.92x = 183,764,684,588,785,216
  5. Step 5: Solve for x
    x = 183,764,684,588,785,216/491,148,385.92
  6. Step 6: Final answer
    x = 374,153,086.64

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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.