Home / 3,904,261,965.60-5,385,889,278-2,493,082,194.72

Finding the Fourth Proportional to 3,904,261,965.60, 5,385,889,278 and 2,493,082,194.72

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Solution

The fourth proportional to 3,904,261,965.60, 5,385,889,278 and 2,493,082,194.72 is: 3,439,181,279.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,904,261,965.60 : 5,385,889,278 = 2,493,082,194.72 : x
  2. Step 2: Convert to fraction form
    3,904,261,965.60/5,385,889,278 = 2,493,082,194.72/x
  3. Step 3: Cross multiply
    3,904,261,965.60x = 5,385,889,278 × 2,493,082,194.72
  4. Step 4: Simplify right side
    3,904,261,965.60x = 13,427,464,661,715,154,944
  5. Step 5: Solve for x
    x = 13,427,464,661,715,154,944/3,904,261,965.60
  6. Step 6: Final answer
    x = 3,439,181,279.34

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Double scale
Find fourth proportional to 3,904,261,966.60, 5,385,889,279.38 and 2,493,082,195.72
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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.