Home / 485,168,344.20-727,256,504.70-239,146,590.60

Finding the Fourth Proportional to 485,168,344.20, 727,256,504.70 and 239,146,590.60

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Solution

The fourth proportional to 485,168,344.20, 727,256,504.70 and 239,146,590.60 is: 358,475,394.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,168,344.20 : 727,256,504.70 = 239,146,590.60 : x
  2. Step 2: Convert to fraction form
    485,168,344.20/727,256,504.70 = 239,146,590.60/x
  3. Step 3: Cross multiply
    485,168,344.20x = 727,256,504.70 × 239,146,590.60
  4. Step 4: Simplify right side
    485,168,344.20x = 173,920,913,590,677,888
  5. Step 5: Solve for x
    x = 173,920,913,590,677,888/485,168,344.20
  6. Step 6: Final answer
    x = 358,475,394.51

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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.