Home / 787,328,000.20-1,180,992,000.30-327,113,216.20

Finding the Fourth Proportional to 787,328,000.20, 1,180,992,000.30 and 327,113,216.20

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Solution

The fourth proportional to 787,328,000.20, 1,180,992,000.30 and 327,113,216.20 is: 490,669,824.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,328,000.20 : 1,180,992,000.30 = 327,113,216.20 : x
  2. Step 2: Convert to fraction form
    787,328,000.20/1,180,992,000.30 = 327,113,216.20/x
  3. Step 3: Cross multiply
    787,328,000.20x = 1,180,992,000.30 × 327,113,216.20
  4. Step 4: Simplify right side
    787,328,000.20x = 386,318,091,524,604,352
  5. Step 5: Solve for x
    x = 386,318,091,524,604,352/787,328,000.20
  6. Step 6: Final answer
    x = 490,669,824.30

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1.5x scale

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.