Home / 363,779,010.24-502,021,789.92-198,777,266.88

Finding the Fourth Proportional to 363,779,010.24, 502,021,789.92 and 198,777,266.88

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Solution

The fourth proportional to 363,779,010.24, 502,021,789.92 and 198,777,266.88 is: 274,316,319.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,779,010.24 : 502,021,789.92 = 198,777,266.88 : x
  2. Step 2: Convert to fraction form
    363,779,010.24/502,021,789.92 = 198,777,266.88/x
  3. Step 3: Cross multiply
    363,779,010.24x = 502,021,789.92 × 198,777,266.88
  4. Step 4: Simplify right side
    363,779,010.24x = 99,790,519,314,503,136
  5. Step 5: Solve for x
    x = 99,790,519,314,503,136/363,779,010.24
  6. Step 6: Final answer
    x = 274,316,319.81

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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.