Home / 323,396,000.20-485,094,000.30-161,779,616.20

Finding the Fourth Proportional to 323,396,000.20, 485,094,000.30 and 161,779,616.20

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Solution

The fourth proportional to 323,396,000.20, 485,094,000.30 and 161,779,616.20 is: 242,669,424.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,396,000.20 : 485,094,000.30 = 161,779,616.20 : x
  2. Step 2: Convert to fraction form
    323,396,000.20/485,094,000.30 = 161,779,616.20/x
  3. Step 3: Cross multiply
    323,396,000.20x = 485,094,000.30 × 161,779,616.20
  4. Step 4: Simplify right side
    323,396,000.20x = 78,478,321,189,456,688
  5. Step 5: Solve for x
    x = 78,478,321,189,456,688/323,396,000.20
  6. Step 6: Final answer
    x = 242,669,424.30

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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.