Home / 2,080,128,020.20-3,120,653,924.70-699,903,572.20

Finding the Fourth Proportional to 2,080,128,020.20, 3,120,653,924.70 and 699,903,572.20

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Solution

The fourth proportional to 2,080,128,020.20, 3,120,653,924.70 and 699,903,572.20 is: 1,050,010,772.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,080,128,020.20 : 3,120,653,924.70 = 699,903,572.20 : x
  2. Step 2: Convert to fraction form
    2,080,128,020.20/3,120,653,924.70 = 699,903,572.20/x
  3. Step 3: Cross multiply
    2,080,128,020.20x = 3,120,653,924.70 × 699,903,572.20
  4. Step 4: Simplify right side
    2,080,128,020.20x = 2,184,156,829,497,479,936
  5. Step 5: Solve for x
    x = 2,184,156,829,497,479,936/2,080,128,020.20
  6. Step 6: Final answer
    x = 1,050,010,772.55

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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.