Home / 12,685,251,246.40-19,027,876,869.60-7,726,268,987.20

Finding the Fourth Proportional to 12,685,251,246.40, 19,027,876,869.60 and 7,726,268,987.20

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Solution

The fourth proportional to 12,685,251,246.40, 19,027,876,869.60 and 7,726,268,987.20 is: 11,589,403,480.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,685,251,246.40 : 19,027,876,869.60 = 7,726,268,987.20 : x
  2. Step 2: Convert to fraction form
    12,685,251,246.40/19,027,876,869.60 = 7,726,268,987.20/x
  3. Step 3: Cross multiply
    12,685,251,246.40x = 19,027,876,869.60 × 7,726,268,987.20
  4. Step 4: Simplify right side
    12,685,251,246.40x = 147,014,494,949,850,677,248
  5. Step 5: Solve for x
    x = 147,014,494,949,850,677,248/12,685,251,246.40
  6. Step 6: Final answer
    x = 11,589,403,480.80

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Double scale
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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.