Home / 340,023,109.20-510,034,663.80-271,998,661.20

Finding the Fourth Proportional to 340,023,109.20, 510,034,663.80 and 271,998,661.20

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Solution

The fourth proportional to 340,023,109.20, 510,034,663.80 and 271,998,661.20 is: 407,997,991.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,023,109.20 : 510,034,663.80 = 271,998,661.20 : x
  2. Step 2: Convert to fraction form
    340,023,109.20/510,034,663.80 = 271,998,661.20/x
  3. Step 3: Cross multiply
    340,023,109.20x = 510,034,663.80 × 271,998,661.20
  4. Step 4: Simplify right side
    340,023,109.20x = 138,728,745,719,192,096
  5. Step 5: Solve for x
    x = 138,728,745,719,192,096/340,023,109.20
  6. Step 6: Final answer
    x = 407,997,991.80

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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.