Home / 2,188,032,136.20-3,282,048,204.30-656,222,344.20

Finding the Fourth Proportional to 2,188,032,136.20, 3,282,048,204.30 and 656,222,344.20

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Solution

The fourth proportional to 2,188,032,136.20, 3,282,048,204.30 and 656,222,344.20 is: 984,333,516.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,188,032,136.20 : 3,282,048,204.30 = 656,222,344.20 : x
  2. Step 2: Convert to fraction form
    2,188,032,136.20/3,282,048,204.30 = 656,222,344.20/x
  3. Step 3: Cross multiply
    2,188,032,136.20x = 3,282,048,204.30 × 656,222,344.20
  4. Step 4: Simplify right side
    2,188,032,136.20x = 2,153,753,366,403,146,752
  5. Step 5: Solve for x
    x = 2,153,753,366,403,146,752/2,188,032,136.20
  6. Step 6: Final answer
    x = 984,333,516.30

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Half scale
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Double scale
Find fourth proportional to 2,188,032,137.20, 3,282,048,205.80 and 656,222,345.20
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.