Home / 3,138,203,867.40-4,707,305,801.10-1,760,708,795.40

Finding the Fourth Proportional to 3,138,203,867.40, 4,707,305,801.10 and 1,760,708,795.40

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Solution

The fourth proportional to 3,138,203,867.40, 4,707,305,801.10 and 1,760,708,795.40 is: 2,641,063,193.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,138,203,867.40 : 4,707,305,801.10 = 1,760,708,795.40 : x
  2. Step 2: Convert to fraction form
    3,138,203,867.40/4,707,305,801.10 = 1,760,708,795.40/x
  3. Step 3: Cross multiply
    3,138,203,867.40x = 4,707,305,801.10 × 1,760,708,795.40
  4. Step 4: Simplify right side
    3,138,203,867.40x = 8,288,194,726,634,214,400
  5. Step 5: Solve for x
    x = 8,288,194,726,634,214,400/3,138,203,867.40
  6. Step 6: Final answer
    x = 2,641,063,193.10

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Double scale
Find fourth proportional to 3,138,203,868.40, 4,707,305,802.60 and 1,760,708,796.40
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.