Home / 1,539,651,858.30-2,309,477,787.45-721,846,827.90

Finding the Fourth Proportional to 1,539,651,858.30, 2,309,477,787.45 and 721,846,827.90

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Solution

The fourth proportional to 1,539,651,858.30, 2,309,477,787.45 and 721,846,827.90 is: 1,082,770,241.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,539,651,858.30 : 2,309,477,787.45 = 721,846,827.90 : x
  2. Step 2: Convert to fraction form
    1,539,651,858.30/2,309,477,787.45 = 721,846,827.90/x
  3. Step 3: Cross multiply
    1,539,651,858.30x = 2,309,477,787.45 × 721,846,827.90
  4. Step 4: Simplify right side
    1,539,651,858.30x = 1,667,089,214,976,292,864
  5. Step 5: Solve for x
    x = 1,667,089,214,976,292,864/1,539,651,858.30
  6. Step 6: Final answer
    x = 1,082,770,241.85

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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.