Home / 1,347,674,002.60-2,021,511,003.90-378,199,647.40

Finding the Fourth Proportional to 1,347,674,002.60, 2,021,511,003.90 and 378,199,647.40

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Solution

The fourth proportional to 1,347,674,002.60, 2,021,511,003.90 and 378,199,647.40 is: 567,299,471.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,347,674,002.60 : 2,021,511,003.90 = 378,199,647.40 : x
  2. Step 2: Convert to fraction form
    1,347,674,002.60/2,021,511,003.90 = 378,199,647.40/x
  3. Step 3: Cross multiply
    1,347,674,002.60x = 2,021,511,003.90 × 378,199,647.40
  4. Step 4: Simplify right side
    1,347,674,002.60x = 764,534,748,890,200,064
  5. Step 5: Solve for x
    x = 764,534,748,890,200,064/1,347,674,002.60
  6. Step 6: Final answer
    x = 567,299,471.10

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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.