Home / 1,347,674,003.10-2,021,511,004.65-378,199,647.90

Finding the Fourth Proportional to 1,347,674,003.10, 2,021,511,004.65 and 378,199,647.90

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Solution

The fourth proportional to 1,347,674,003.10, 2,021,511,004.65 and 378,199,647.90 is: 567,299,471.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,347,674,003.10 : 2,021,511,004.65 = 378,199,647.90 : x
  2. Step 2: Convert to fraction form
    1,347,674,003.10/2,021,511,004.65 = 378,199,647.90/x
  3. Step 3: Cross multiply
    1,347,674,003.10x = 2,021,511,004.65 × 378,199,647.90
  4. Step 4: Simplify right side
    1,347,674,003.10x = 764,534,750,184,605,312
  5. Step 5: Solve for x
    x = 764,534,750,184,605,312/1,347,674,003.10
  6. Step 6: Final answer
    x = 567,299,471.85

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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.