Home / 4,550,331,448.74-6,825,497,173.11-1,278,780,652.74

Finding the Fourth Proportional to 4,550,331,448.74, 6,825,497,173.11 and 1,278,780,652.74

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Solution

The fourth proportional to 4,550,331,448.74, 6,825,497,173.11 and 1,278,780,652.74 is: 1,918,170,979.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,550,331,448.74 : 6,825,497,173.11 = 1,278,780,652.74 : x
  2. Step 2: Convert to fraction form
    4,550,331,448.74/6,825,497,173.11 = 1,278,780,652.74/x
  3. Step 3: Cross multiply
    4,550,331,448.74x = 6,825,497,173.11 × 1,278,780,652.74
  4. Step 4: Simplify right side
    4,550,331,448.74x = 8,728,313,730,304,629,760
  5. Step 5: Solve for x
    x = 8,728,313,730,304,629,760/4,550,331,448.74
  6. Step 6: Final answer
    x = 1,918,170,979.11

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Half scale
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Double scale
Find fourth proportional to 4,550,331,449.74, 6,825,497,174.61 and 1,278,780,653.74
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.