Home / 4,550,331,447.61-6,825,497,171.42-1,278,780,651.61

Finding the Fourth Proportional to 4,550,331,447.61, 6,825,497,171.42 and 1,278,780,651.61

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Solution

The fourth proportional to 4,550,331,447.61, 6,825,497,171.42 and 1,278,780,651.61 is: 1,918,170,977.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,550,331,447.61 : 6,825,497,171.42 = 1,278,780,651.61 : x
  2. Step 2: Convert to fraction form
    4,550,331,447.61/6,825,497,171.42 = 1,278,780,651.61/x
  3. Step 3: Cross multiply
    4,550,331,447.61x = 6,825,497,171.42 × 1,278,780,651.61
  4. Step 4: Simplify right side
    4,550,331,447.61x = 8,728,313,720,430,679,040
  5. Step 5: Solve for x
    x = 8,728,313,720,430,679,040/4,550,331,447.61
  6. Step 6: Final answer
    x = 1,918,170,977.42

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Double scale
Find fourth proportional to 4,550,331,448.61, 6,825,497,172.92 and 1,278,780,652.61
Similar ratio
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1.5x scale

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.