Home / 6,247,727,435.20-8,621,840,200.96-3,428,382,532.16

Finding the Fourth Proportional to 6,247,727,435.20, 8,621,840,200.96 and 3,428,382,532.16

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Solution

The fourth proportional to 6,247,727,435.20, 8,621,840,200.96 and 3,428,382,532.16 is: 4,731,154,911.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,247,727,435.20 : 8,621,840,200.96 = 3,428,382,532.16 : x
  2. Step 2: Convert to fraction form
    6,247,727,435.20/8,621,840,200.96 = 3,428,382,532.16/x
  3. Step 3: Cross multiply
    6,247,727,435.20x = 8,621,840,200.96 × 3,428,382,532.16
  4. Step 4: Simplify right side
    6,247,727,435.20x = 29,558,966,340,046,123,008
  5. Step 5: Solve for x
    x = 29,558,966,340,046,123,008/6,247,727,435.20
  6. Step 6: Final answer
    x = 4,731,154,911.39

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.