Home / 787,321,327.10-1,180,981,990.65-241,992,002.30

Finding the Fourth Proportional to 787,321,327.10, 1,180,981,990.65 and 241,992,002.30

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Solution

The fourth proportional to 787,321,327.10, 1,180,981,990.65 and 241,992,002.30 is: 362,988,003.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,321,327.10 : 1,180,981,990.65 = 241,992,002.30 : x
  2. Step 2: Convert to fraction form
    787,321,327.10/1,180,981,990.65 = 241,992,002.30/x
  3. Step 3: Cross multiply
    787,321,327.10x = 1,180,981,990.65 × 241,992,002.30
  4. Step 4: Simplify right side
    787,321,327.10x = 285,788,196,597,633,408
  5. Step 5: Solve for x
    x = 285,788,196,597,633,408/787,321,327.10
  6. Step 6: Final answer
    x = 362,988,003.45

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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.