Home / 485,293,132.40-727,939,698.60-269,882,380.40

Finding the Fourth Proportional to 485,293,132.40, 727,939,698.60 and 269,882,380.40

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Solution

The fourth proportional to 485,293,132.40, 727,939,698.60 and 269,882,380.40 is: 404,823,570.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,293,132.40 : 727,939,698.60 = 269,882,380.40 : x
  2. Step 2: Convert to fraction form
    485,293,132.40/727,939,698.60 = 269,882,380.40/x
  3. Step 3: Cross multiply
    485,293,132.40x = 727,939,698.60 × 269,882,380.40
  4. Step 4: Simplify right side
    485,293,132.40x = 196,458,098,645,826,528
  5. Step 5: Solve for x
    x = 196,458,098,645,826,528/485,293,132.40
  6. Step 6: Final answer
    x = 404,823,570.60

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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.