Home / 743,646,248.44-1,026,211,218.42-404,543,480.92

Finding the Fourth Proportional to 743,646,248.44, 1,026,211,218.42 and 404,543,480.92

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Solution

The fourth proportional to 743,646,248.44, 1,026,211,218.42 and 404,543,480.92 is: 558,258,794.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,646,248.44 : 1,026,211,218.42 = 404,543,480.92 : x
  2. Step 2: Convert to fraction form
    743,646,248.44/1,026,211,218.42 = 404,543,480.92/x
  3. Step 3: Cross multiply
    743,646,248.44x = 1,026,211,218.42 × 404,543,480.92
  4. Step 4: Simplify right side
    743,646,248.44x = 415,147,058,458,781,248
  5. Step 5: Solve for x
    x = 415,147,058,458,781,248/743,646,248.44
  6. Step 6: Final answer
    x = 558,258,794.86

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Double scale
Find fourth proportional to 743,646,249.44, 1,026,211,219.80 and 404,543,481.92
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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.