Home / 808,587,258.42-1,115,850,418.38-437,309,289.75

Finding the Fourth Proportional to 808,587,258.42, 1,115,850,418.38 and 437,309,289.75

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Solution

The fourth proportional to 808,587,258.42, 1,115,850,418.38 and 437,309,289.75 is: 603,486,820.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,587,258.42 : 1,115,850,418.38 = 437,309,289.75 : x
  2. Step 2: Convert to fraction form
    808,587,258.42/1,115,850,418.38 = 437,309,289.75/x
  3. Step 3: Cross multiply
    808,587,258.42x = 1,115,850,418.38 × 437,309,289.75
  4. Step 4: Simplify right side
    808,587,258.42x = 487,971,753,928,998,208
  5. Step 5: Solve for x
    x = 487,971,753,928,998,208/808,587,258.42
  6. Step 6: Final answer
    x = 603,486,820.81

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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.