Home / 1,939,825,163.66-2,911,577,329.61-1,200,659,163.89

Finding the Fourth Proportional to 1,939,825,163.66, 2,911,577,329.61 and 1,200,659,163.89

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Solution

The fourth proportional to 1,939,825,163.66, 2,911,577,329.61 and 1,200,659,163.89 is: 1,802,127,360.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,939,825,163.66 : 2,911,577,329.61 = 1,200,659,163.89 : x
  2. Step 2: Convert to fraction form
    1,939,825,163.66/2,911,577,329.61 = 1,200,659,163.89/x
  3. Step 3: Cross multiply
    1,939,825,163.66x = 2,911,577,329.61 × 1,200,659,163.89
  4. Step 4: Simplify right side
    1,939,825,163.66x = 3,495,812,002,150,060,544
  5. Step 5: Solve for x
    x = 3,495,812,002,150,060,544/1,939,825,163.66
  6. Step 6: Final answer
    x = 1,802,127,360.57

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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.