Home / 3,965,661,261.60-5,472,582,278.76-2,181,476,296.32

Finding the Fourth Proportional to 3,965,661,261.60, 5,472,582,278.76 and 2,181,476,296.32

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Solution

The fourth proportional to 3,965,661,261.60, 5,472,582,278.76 and 2,181,476,296.32 is: 3,010,420,641.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,965,661,261.60 : 5,472,582,278.76 = 2,181,476,296.32 : x
  2. Step 2: Convert to fraction form
    3,965,661,261.60/5,472,582,278.76 = 2,181,476,296.32/x
  3. Step 3: Cross multiply
    3,965,661,261.60x = 5,472,582,278.76 × 2,181,476,296.32
  4. Step 4: Simplify right side
    3,965,661,261.60x = 11,938,308,520,775,831,552
  5. Step 5: Solve for x
    x = 11,938,308,520,775,831,552/3,965,661,261.60
  6. Step 6: Final answer
    x = 3,010,420,641.92

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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.