Home / 1,347,674,003.60-2,021,511,005.40-378,199,648.40

Finding the Fourth Proportional to 1,347,674,003.60, 2,021,511,005.40 and 378,199,648.40

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Solution

The fourth proportional to 1,347,674,003.60, 2,021,511,005.40 and 378,199,648.40 is: 567,299,472.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,347,674,003.60 : 2,021,511,005.40 = 378,199,648.40 : x
  2. Step 2: Convert to fraction form
    1,347,674,003.60/2,021,511,005.40 = 378,199,648.40/x
  3. Step 3: Cross multiply
    1,347,674,003.60x = 2,021,511,005.40 × 378,199,648.40
  4. Step 4: Simplify right side
    1,347,674,003.60x = 764,534,751,479,010,432
  5. Step 5: Solve for x
    x = 764,534,751,479,010,432/1,347,674,003.60
  6. Step 6: Final answer
    x = 567,299,472.60

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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.