Home / 330,190,719.40-495,286,079.10-253,898,828.20

Finding the Fourth Proportional to 330,190,719.40, 495,286,079.10 and 253,898,828.20

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Solution

The fourth proportional to 330,190,719.40, 495,286,079.10 and 253,898,828.20 is: 380,848,242.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,190,719.40 : 495,286,079.10 = 253,898,828.20 : x
  2. Step 2: Convert to fraction form
    330,190,719.40/495,286,079.10 = 253,898,828.20/x
  3. Step 3: Cross multiply
    330,190,719.40x = 495,286,079.10 × 253,898,828.20
  4. Step 4: Simplify right side
    330,190,719.40x = 125,752,555,107,262,512
  5. Step 5: Solve for x
    x = 125,752,555,107,262,512/330,190,719.40
  6. Step 6: Final answer
    x = 380,848,242.30

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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.