Home / 5,318,784,080.10-7,978,176,120.15-2,563,793,936.10

Finding the Fourth Proportional to 5,318,784,080.10, 7,978,176,120.15 and 2,563,793,936.10

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Solution

The fourth proportional to 5,318,784,080.10, 7,978,176,120.15 and 2,563,793,936.10 is: 3,845,690,904.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,318,784,080.10 : 7,978,176,120.15 = 2,563,793,936.10 : x
  2. Step 2: Convert to fraction form
    5,318,784,080.10/7,978,176,120.15 = 2,563,793,936.10/x
  3. Step 3: Cross multiply
    5,318,784,080.10x = 7,978,176,120.15 × 2,563,793,936.10
  4. Step 4: Simplify right side
    5,318,784,080.10x = 20,454,399,557,978,394,624
  5. Step 5: Solve for x
    x = 20,454,399,557,978,394,624/5,318,784,080.10
  6. Step 6: Final answer
    x = 3,845,690,904.15

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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.