Home / 331,840,349.60-497,760,524.40-209,396,343.20

Finding the Fourth Proportional to 331,840,349.60, 497,760,524.40 and 209,396,343.20

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Solution

The fourth proportional to 331,840,349.60, 497,760,524.40 and 209,396,343.20 is: 314,094,514.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,840,349.60 : 497,760,524.40 = 209,396,343.20 : x
  2. Step 2: Convert to fraction form
    331,840,349.60/497,760,524.40 = 209,396,343.20/x
  3. Step 3: Cross multiply
    331,840,349.60x = 497,760,524.40 × 209,396,343.20
  4. Step 4: Simplify right side
    331,840,349.60x = 104,229,233,598,674,368
  5. Step 5: Solve for x
    x = 104,229,233,598,674,368/331,840,349.60
  6. Step 6: Final answer
    x = 314,094,514.80

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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.