Home / 3,921,498,805.44-5,411,859,799.77-2,205,387,962.55

Finding the Fourth Proportional to 3,921,498,805.44, 5,411,859,799.77 and 2,205,387,962.55

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Solution

The fourth proportional to 3,921,498,805.44, 5,411,859,799.77 and 2,205,387,962.55 is: 3,043,543,055.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,921,498,805.44 : 5,411,859,799.77 = 2,205,387,962.55 : x
  2. Step 2: Convert to fraction form
    3,921,498,805.44/5,411,859,799.77 = 2,205,387,962.55/x
  3. Step 3: Cross multiply
    3,921,498,805.44x = 5,411,859,799.77 × 2,205,387,962.55
  4. Step 4: Simplify right side
    3,921,498,805.44x = 11,935,250,457,421,012,992
  5. Step 5: Solve for x
    x = 11,935,250,457,421,012,992/3,921,498,805.44
  6. Step 6: Final answer
    x = 3,043,543,055.75

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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.