Home / 3,989,094,218.10-5,983,641,327.15-1,228,364,511.30

Finding the Fourth Proportional to 3,989,094,218.10, 5,983,641,327.15 and 1,228,364,511.30

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Solution

The fourth proportional to 3,989,094,218.10, 5,983,641,327.15 and 1,228,364,511.30 is: 1,842,546,766.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,989,094,218.10 : 5,983,641,327.15 = 1,228,364,511.30 : x
  2. Step 2: Convert to fraction form
    3,989,094,218.10/5,983,641,327.15 = 1,228,364,511.30/x
  3. Step 3: Cross multiply
    3,989,094,218.10x = 5,983,641,327.15 × 1,228,364,511.30
  4. Step 4: Simplify right side
    3,989,094,218.10x = 7,350,092,654,619,091,968
  5. Step 5: Solve for x
    x = 7,350,092,654,619,091,968/3,989,094,218.10
  6. Step 6: Final answer
    x = 1,842,546,766.95

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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.