Home / 491,148,387.92-677,780,618.28-271,127,090

Finding the Fourth Proportional to 491,148,387.92, 677,780,618.28 and 271,127,090

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Solution

The fourth proportional to 491,148,387.92, 677,780,618.28 and 271,127,090 is: 374,153,089.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,148,387.92 : 677,780,618.28 = 271,127,090 : x
  2. Step 2: Convert to fraction form
    491,148,387.92/677,780,618.28 = 271,127,090/x
  3. Step 3: Cross multiply
    491,148,387.92x = 677,780,618.28 × 271,127,090
  4. Step 4: Simplify right side
    491,148,387.92x = 183,764,686,692,657,184
  5. Step 5: Solve for x
    x = 183,764,686,692,657,184/491,148,387.92
  6. Step 6: Final answer
    x = 374,153,089.40

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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.