Home / 318,085,906.30-477,128,859.45-236,456,568.70

Finding the Fourth Proportional to 318,085,906.30, 477,128,859.45 and 236,456,568.70

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Solution

The fourth proportional to 318,085,906.30, 477,128,859.45 and 236,456,568.70 is: 354,684,853.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,085,906.30 : 477,128,859.45 = 236,456,568.70 : x
  2. Step 2: Convert to fraction form
    318,085,906.30/477,128,859.45 = 236,456,568.70/x
  3. Step 3: Cross multiply
    318,085,906.30x = 477,128,859.45 × 236,456,568.70
  4. Step 4: Simplify right side
    318,085,906.30x = 112,820,252,933,291,568
  5. Step 5: Solve for x
    x = 112,820,252,933,291,568/318,085,906.30
  6. Step 6: Final answer
    x = 354,684,853.05

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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.