Home / 400,743,743.62-600,696,071.37-167,707,972.30

Finding the Fourth Proportional to 400,743,743.62, 600,696,071.37 and 167,707,972.30

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Solution

The fourth proportional to 400,743,743.62, 600,696,071.37 and 167,707,972.30 is: 251,386,382.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,743,743.62 : 600,696,071.37 = 167,707,972.30 : x
  2. Step 2: Convert to fraction form
    400,743,743.62/600,696,071.37 = 167,707,972.30/x
  3. Step 3: Cross multiply
    400,743,743.62x = 600,696,071.37 × 167,707,972.30
  4. Step 4: Simplify right side
    400,743,743.62x = 100,741,520,098,038,784
  5. Step 5: Solve for x
    x = 100,741,520,098,038,784/400,743,743.62
  6. Step 6: Final answer
    x = 251,386,382.70

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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.