Home / 6,564,743,998.80-9,847,115,998.20-1,969,314,622.80

Finding the Fourth Proportional to 6,564,743,998.80, 9,847,115,998.20 and 1,969,314,622.80

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Solution

The fourth proportional to 6,564,743,998.80, 9,847,115,998.20 and 1,969,314,622.80 is: 2,953,971,934.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,564,743,998.80 : 9,847,115,998.20 = 1,969,314,622.80 : x
  2. Step 2: Convert to fraction form
    6,564,743,998.80/9,847,115,998.20 = 1,969,314,622.80/x
  3. Step 3: Cross multiply
    6,564,743,998.80x = 9,847,115,998.20 × 1,969,314,622.80
  4. Step 4: Simplify right side
    6,564,743,998.80x = 19,392,069,527,663,079,424
  5. Step 5: Solve for x
    x = 19,392,069,527,663,079,424/6,564,743,998.80
  6. Step 6: Final answer
    x = 2,953,971,934.20

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Double scale
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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.