Home / 330,180,686.40-495,271,029.60-253,888,795.20

Finding the Fourth Proportional to 330,180,686.40, 495,271,029.60 and 253,888,795.20

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Solution

The fourth proportional to 330,180,686.40, 495,271,029.60 and 253,888,795.20 is: 380,833,192.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,180,686.40 : 495,271,029.60 = 253,888,795.20 : x
  2. Step 2: Convert to fraction form
    330,180,686.40/495,271,029.60 = 253,888,795.20/x
  3. Step 3: Cross multiply
    330,180,686.40x = 495,271,029.60 × 253,888,795.20
  4. Step 4: Simplify right side
    330,180,686.40x = 125,743,765,002,607,536
  5. Step 5: Solve for x
    x = 125,743,765,002,607,536/330,180,686.40
  6. Step 6: Final answer
    x = 380,833,192.80

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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.