Home / 4,550,331,415.62-6,825,497,123.43-1,278,780,619.62

Finding the Fourth Proportional to 4,550,331,415.62, 6,825,497,123.43 and 1,278,780,619.62

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Solution

The fourth proportional to 4,550,331,415.62, 6,825,497,123.43 and 1,278,780,619.62 is: 1,918,170,929.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,550,331,415.62 : 6,825,497,123.43 = 1,278,780,619.62 : x
  2. Step 2: Convert to fraction form
    4,550,331,415.62/6,825,497,123.43 = 1,278,780,619.62/x
  3. Step 3: Cross multiply
    4,550,331,415.62x = 6,825,497,123.43 × 1,278,780,619.62
  4. Step 4: Simplify right side
    4,550,331,415.62x = 8,728,313,440,714,342,400
  5. Step 5: Solve for x
    x = 8,728,313,440,714,342,400/4,550,331,415.62
  6. Step 6: Final answer
    x = 1,918,170,929.43

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Double scale
Find fourth proportional to 4,550,331,416.62, 6,825,497,124.93 and 1,278,780,620.62
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.