Home / 400,743,723.12-600,696,040.63-167,707,951.79

Finding the Fourth Proportional to 400,743,723.12, 600,696,040.63 and 167,707,951.79

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Solution

The fourth proportional to 400,743,723.12, 600,696,040.63 and 167,707,951.79 is: 251,386,351.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,743,723.12 : 600,696,040.63 = 167,707,951.79 : x
  2. Step 2: Convert to fraction form
    400,743,723.12/600,696,040.63 = 167,707,951.79/x
  3. Step 3: Cross multiply
    400,743,723.12x = 600,696,040.63 × 167,707,951.79
  4. Step 4: Simplify right side
    400,743,723.12x = 100,741,502,623,502,400
  5. Step 5: Solve for x
    x = 100,741,502,623,502,400/400,743,723.12
  6. Step 6: Final answer
    x = 251,386,351.95

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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.