Home / 272,967,630.60-409,451,445.90-169,655,500.20

Finding the Fourth Proportional to 272,967,630.60, 409,451,445.90 and 169,655,500.20

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Solution

The fourth proportional to 272,967,630.60, 409,451,445.90 and 169,655,500.20 is: 254,483,250.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,967,630.60 : 409,451,445.90 = 169,655,500.20 : x
  2. Step 2: Convert to fraction form
    272,967,630.60/409,451,445.90 = 169,655,500.20/x
  3. Step 3: Cross multiply
    272,967,630.60x = 409,451,445.90 × 169,655,500.20
  4. Step 4: Simplify right side
    272,967,630.60x = 69,465,689,861,777,728
  5. Step 5: Solve for x
    x = 69,465,689,861,777,728/272,967,630.60
  6. Step 6: Final answer
    x = 254,483,250.30

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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.