Home / 440,096,317.20-660,144,475.80-330,327,178.65

Finding the Fourth Proportional to 440,096,317.20, 660,144,475.80 and 330,327,178.65

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Solution

The fourth proportional to 440,096,317.20, 660,144,475.80 and 330,327,178.65 is: 495,490,767.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,096,317.20 : 660,144,475.80 = 330,327,178.65 : x
  2. Step 2: Convert to fraction form
    440,096,317.20/660,144,475.80 = 330,327,178.65/x
  3. Step 3: Cross multiply
    440,096,317.20x = 660,144,475.80 × 330,327,178.65
  4. Step 4: Simplify right side
    440,096,317.20x = 218,063,662,192,397,184
  5. Step 5: Solve for x
    x = 218,063,662,192,397,184/440,096,317.20
  6. Step 6: Final answer
    x = 495,490,767.98

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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.