Home / 2,079,278,934.30-3,118,891,158.09-505,381,667.85

Finding the Fourth Proportional to 2,079,278,934.30, 3,118,891,158.09 and 505,381,667.85

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Solution

The fourth proportional to 2,079,278,934.30, 3,118,891,158.09 and 505,381,667.85 is: 758,065,880.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,079,278,934.30 : 3,118,891,158.09 = 505,381,667.85 : x
  2. Step 2: Convert to fraction form
    2,079,278,934.30/3,118,891,158.09 = 505,381,667.85/x
  3. Step 3: Cross multiply
    2,079,278,934.30x = 3,118,891,158.09 × 505,381,667.85
  4. Step 4: Simplify right side
    2,079,278,934.30x = 1,576,230,415,318,142,464
  5. Step 5: Solve for x
    x = 1,576,230,415,318,142,464/2,079,278,934.30
  6. Step 6: Final answer
    x = 758,065,880.11

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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.