Home / 6,809,104,012.20-10,213,656,018.30-1,639,245,964.20

Finding the Fourth Proportional to 6,809,104,012.20, 10,213,656,018.30 and 1,639,245,964.20

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Solution

The fourth proportional to 6,809,104,012.20, 10,213,656,018.30 and 1,639,245,964.20 is: 2,458,868,946.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,809,104,012.20 : 10,213,656,018.30 = 1,639,245,964.20 : x
  2. Step 2: Convert to fraction form
    6,809,104,012.20/10,213,656,018.30 = 1,639,245,964.20/x
  3. Step 3: Cross multiply
    6,809,104,012.20x = 10,213,656,018.30 × 1,639,245,964.20
  4. Step 4: Simplify right side
    6,809,104,012.20x = 16,742,694,407,725,316,096
  5. Step 5: Solve for x
    x = 16,742,694,407,725,316,096/6,809,104,012.20
  6. Step 6: Final answer
    x = 2,458,868,946.30

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Double scale
Find fourth proportional to 6,809,104,013.20, 10,213,656,019.80 and 1,639,245,965.20
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.