Home / 6,989,622,231.20-9,645,621,356.16-3,817,808,170.40

Finding the Fourth Proportional to 6,989,622,231.20, 9,645,621,356.16 and 3,817,808,170.40

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Solution

The fourth proportional to 6,989,622,231.20, 9,645,621,356.16 and 3,817,808,170.40 is: 5,268,543,964.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,989,622,231.20 : 9,645,621,356.16 = 3,817,808,170.40 : x
  2. Step 2: Convert to fraction form
    6,989,622,231.20/9,645,621,356.16 = 3,817,808,170.40/x
  3. Step 3: Cross multiply
    6,989,622,231.20x = 9,645,621,356.16 × 3,817,808,170.40
  4. Step 4: Simplify right side
    6,989,622,231.20x = 36,825,132,022,132,375,552
  5. Step 5: Solve for x
    x = 36,825,132,022,132,375,552/6,989,622,231.20
  6. Step 6: Final answer
    x = 5,268,543,964.76

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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.