Home / 7,275,425,467.20-10,913,138,200.80-6,540,761,428.80

Finding the Fourth Proportional to 7,275,425,467.20, 10,913,138,200.80 and 6,540,761,428.80

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Solution

The fourth proportional to 7,275,425,467.20, 10,913,138,200.80 and 6,540,761,428.80 is: 9,811,142,143.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,275,425,467.20 : 10,913,138,200.80 = 6,540,761,428.80 : x
  2. Step 2: Convert to fraction form
    7,275,425,467.20/10,913,138,200.80 = 6,540,761,428.80/x
  3. Step 3: Cross multiply
    7,275,425,467.20x = 10,913,138,200.80 × 6,540,761,428.80
  4. Step 4: Simplify right side
    7,275,425,467.20x = 71,380,233,410,956,468,224
  5. Step 5: Solve for x
    x = 71,380,233,410,956,468,224/7,275,425,467.20
  6. Step 6: Final answer
    x = 9,811,142,143.20

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Double scale
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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.