Home / 12,766,248,078.40-19,149,372,117.60-6,888,935,771.20

Finding the Fourth Proportional to 12,766,248,078.40, 19,149,372,117.60 and 6,888,935,771.20

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Solution

The fourth proportional to 12,766,248,078.40, 19,149,372,117.60 and 6,888,935,771.20 is: 10,333,403,656.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,766,248,078.40 : 19,149,372,117.60 = 6,888,935,771.20 : x
  2. Step 2: Convert to fraction form
    12,766,248,078.40/19,149,372,117.60 = 6,888,935,771.20/x
  3. Step 3: Cross multiply
    12,766,248,078.40x = 19,149,372,117.60 × 6,888,935,771.20
  4. Step 4: Simplify right side
    12,766,248,078.40x = 131,918,794,576,954,523,648
  5. Step 5: Solve for x
    x = 131,918,794,576,954,523,648/12,766,248,078.40
  6. Step 6: Final answer
    x = 10,333,403,656.80

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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.