Home / 478,861,471.29-660,772,676.39-270,005,168.01

Finding the Fourth Proportional to 478,861,471.29, 660,772,676.39 and 270,005,168.01

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Solution

The fourth proportional to 478,861,471.29, 660,772,676.39 and 270,005,168.01 is: 372,575,469.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,861,471.29 : 660,772,676.39 = 270,005,168.01 : x
  2. Step 2: Convert to fraction form
    478,861,471.29/660,772,676.39 = 270,005,168.01/x
  3. Step 3: Cross multiply
    478,861,471.29x = 660,772,676.39 × 270,005,168.01
  4. Step 4: Simplify right side
    478,861,471.29x = 178,412,037,503,749,280
  5. Step 5: Solve for x
    x = 178,412,037,503,749,280/478,861,471.29
  6. Step 6: Final answer
    x = 372,575,469.53

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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.