Home / 3,290,329,797.89-4,539,463,508.57-2,161,907,319.89

Finding the Fourth Proportional to 3,290,329,797.89, 4,539,463,508.57 and 2,161,907,319.89

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Solution

The fourth proportional to 3,290,329,797.89, 4,539,463,508.57 and 2,161,907,319.89 is: 2,982,649,153.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,290,329,797.89 : 4,539,463,508.57 = 2,161,907,319.89 : x
  2. Step 2: Convert to fraction form
    3,290,329,797.89/4,539,463,508.57 = 2,161,907,319.89/x
  3. Step 3: Cross multiply
    3,290,329,797.89x = 4,539,463,508.57 × 2,161,907,319.89
  4. Step 4: Simplify right side
    3,290,329,797.89x = 9,813,899,387,517,517,824
  5. Step 5: Solve for x
    x = 9,813,899,387,517,517,824/3,290,329,797.89
  6. Step 6: Final answer
    x = 2,982,649,153.84

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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.