Home / 330,189,143.40-495,283,715.10-253,897,252.20

Finding the Fourth Proportional to 330,189,143.40, 495,283,715.10 and 253,897,252.20

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Solution

The fourth proportional to 330,189,143.40, 495,283,715.10 and 253,897,252.20 is: 380,845,878.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,189,143.40 : 495,283,715.10 = 253,897,252.20 : x
  2. Step 2: Convert to fraction form
    330,189,143.40/495,283,715.10 = 253,897,252.20/x
  3. Step 3: Cross multiply
    330,189,143.40x = 495,283,715.10 × 253,897,252.20
  4. Step 4: Simplify right side
    330,189,143.40x = 125,751,174,323,297,648
  5. Step 5: Solve for x
    x = 125,751,174,323,297,648/330,189,143.40
  6. Step 6: Final answer
    x = 380,845,878.30

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1.5x scale

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.