Home / 330,189,137.40-495,283,706.10-253,897,246.20

Finding the Fourth Proportional to 330,189,137.40, 495,283,706.10 and 253,897,246.20

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Solution

The fourth proportional to 330,189,137.40, 495,283,706.10 and 253,897,246.20 is: 380,845,869.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,189,137.40 : 495,283,706.10 = 253,897,246.20 : x
  2. Step 2: Convert to fraction form
    330,189,137.40/495,283,706.10 = 253,897,246.20/x
  3. Step 3: Cross multiply
    330,189,137.40x = 495,283,706.10 × 253,897,246.20
  4. Step 4: Simplify right side
    330,189,137.40x = 125,751,169,066,520,144
  5. Step 5: Solve for x
    x = 125,751,169,066,520,144/330,189,137.40
  6. Step 6: Final answer
    x = 380,845,869.30

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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.