Home / 315,462,508.57-472,770,781.87-245,517,192.05

Finding the Fourth Proportional to 315,462,508.57, 472,770,781.87 and 245,517,192.05

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Solution

The fourth proportional to 315,462,508.57, 472,770,781.87 and 245,517,192.05 is: 367,946,591.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,462,508.57 : 472,770,781.87 = 245,517,192.05 : x
  2. Step 2: Convert to fraction form
    315,462,508.57/472,770,781.87 = 245,517,192.05/x
  3. Step 3: Cross multiply
    315,462,508.57x = 472,770,781.87 × 245,517,192.05
  4. Step 4: Simplify right side
    315,462,508.57x = 116,073,354,845,486,912
  5. Step 5: Solve for x
    x = 116,073,354,845,486,912/315,462,508.57
  6. Step 6: Final answer
    x = 367,946,591.72

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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.