Home / 330,189,147.90-495,283,721.85-253,897,256.70

Finding the Fourth Proportional to 330,189,147.90, 495,283,721.85 and 253,897,256.70

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Solution

The fourth proportional to 330,189,147.90, 495,283,721.85 and 253,897,256.70 is: 380,845,885.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,189,147.90 : 495,283,721.85 = 253,897,256.70 : x
  2. Step 2: Convert to fraction form
    330,189,147.90/495,283,721.85 = 253,897,256.70/x
  3. Step 3: Cross multiply
    330,189,147.90x = 495,283,721.85 × 253,897,256.70
  4. Step 4: Simplify right side
    330,189,147.90x = 125,751,178,265,880,848
  5. Step 5: Solve for x
    x = 125,751,178,265,880,848/330,189,147.90
  6. Step 6: Final answer
    x = 380,845,885.05

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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.