Home / 808,587,255.42-1,115,850,414.24-437,309,286.75

Finding the Fourth Proportional to 808,587,255.42, 1,115,850,414.24 and 437,309,286.75

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Solution

The fourth proportional to 808,587,255.42, 1,115,850,414.24 and 437,309,286.75 is: 603,486,816.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,587,255.42 : 1,115,850,414.24 = 437,309,286.75 : x
  2. Step 2: Convert to fraction form
    808,587,255.42/1,115,850,414.24 = 437,309,286.75/x
  3. Step 3: Cross multiply
    808,587,255.42x = 1,115,850,414.24 × 437,309,286.75
  4. Step 4: Simplify right side
    808,587,255.42x = 487,971,748,770,986,432
  5. Step 5: Solve for x
    x = 487,971,748,770,986,432/808,587,255.42
  6. Step 6: Final answer
    x = 603,486,816.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.