Home / 1,359,921,619.70-2,040,386,314.35-542,620,474.10

Finding the Fourth Proportional to 1,359,921,619.70, 2,040,386,314.35 and 542,620,474.10

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Solution

The fourth proportional to 1,359,921,619.70, 2,040,386,314.35 and 542,620,474.10 is: 814,131,765.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,359,921,619.70 : 2,040,386,314.35 = 542,620,474.10 : x
  2. Step 2: Convert to fraction form
    1,359,921,619.70/2,040,386,314.35 = 542,620,474.10/x
  3. Step 3: Cross multiply
    1,359,921,619.70x = 2,040,386,314.35 × 542,620,474.10
  4. Step 4: Simplify right side
    1,359,921,619.70x = 1,107,155,389,239,748,608
  5. Step 5: Solve for x
    x = 1,107,155,389,239,748,608/1,359,921,619.70
  6. Step 6: Final answer
    x = 814,131,765.54

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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.