Home / 330,018,998.40-495,028,497.60-166,193,452.80

Finding the Fourth Proportional to 330,018,998.40, 495,028,497.60 and 166,193,452.80

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Solution

The fourth proportional to 330,018,998.40, 495,028,497.60 and 166,193,452.80 is: 249,290,179.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,018,998.40 : 495,028,497.60 = 166,193,452.80 : x
  2. Step 2: Convert to fraction form
    330,018,998.40/495,028,497.60 = 166,193,452.80/x
  3. Step 3: Cross multiply
    330,018,998.40x = 495,028,497.60 × 166,193,452.80
  4. Step 4: Simplify right side
    330,018,998.40x = 82,270,495,250,540,528
  5. Step 5: Solve for x
    x = 82,270,495,250,540,528/330,018,998.40
  6. Step 6: Final answer
    x = 249,290,179.20

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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.