Home / 4,033,802,520.78-5,566,647,489.39-2,179,506,456.78

Finding the Fourth Proportional to 4,033,802,520.78, 5,566,647,489.39 and 2,179,506,456.78

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Solution

The fourth proportional to 4,033,802,520.78, 5,566,647,489.39 and 2,179,506,456.78 is: 3,007,718,916.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,033,802,520.78 : 5,566,647,489.39 = 2,179,506,456.78 : x
  2. Step 2: Convert to fraction form
    4,033,802,520.78/5,566,647,489.39 = 2,179,506,456.78/x
  3. Step 3: Cross multiply
    4,033,802,520.78x = 5,566,647,489.39 × 2,179,506,456.78
  4. Step 4: Simplify right side
    4,033,802,520.78x = 12,132,544,145,743,683,584
  5. Step 5: Solve for x
    x = 12,132,544,145,743,683,584/4,033,802,520.78
  6. Step 6: Final answer
    x = 3,007,718,916.15

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Double scale
Find fourth proportional to 4,033,802,521.78, 5,566,647,490.77 and 2,179,506,457.78
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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.