Home / 419,274,004.23-628,842,788.28-197,944,916.27

Finding the Fourth Proportional to 419,274,004.23, 628,842,788.28 and 197,944,916.27

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Solution

The fourth proportional to 419,274,004.23, 628,842,788.28 and 197,944,916.27 is: 296,885,167.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,274,004.23 : 628,842,788.28 = 197,944,916.27 : x
  2. Step 2: Convert to fraction form
    419,274,004.23/628,842,788.28 = 197,944,916.27/x
  3. Step 3: Cross multiply
    419,274,004.23x = 628,842,788.28 × 197,944,916.27
  4. Step 4: Simplify right side
    419,274,004.23x = 124,476,233,069,933,712
  5. Step 5: Solve for x
    x = 124,476,233,069,933,712/419,274,004.23
  6. Step 6: Final answer
    x = 296,885,167.73

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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.