Home / 11,691,763,207.60-17,537,644,811.40-7,972,526,513.20

Finding the Fourth Proportional to 11,691,763,207.60, 17,537,644,811.40 and 7,972,526,513.20

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Solution

The fourth proportional to 11,691,763,207.60, 17,537,644,811.40 and 7,972,526,513.20 is: 11,958,789,769.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,691,763,207.60 : 17,537,644,811.40 = 7,972,526,513.20 : x
  2. Step 2: Convert to fraction form
    11,691,763,207.60/17,537,644,811.40 = 7,972,526,513.20/x
  3. Step 3: Cross multiply
    11,691,763,207.60x = 17,537,644,811.40 × 7,972,526,513.20
  4. Step 4: Simplify right side
    11,691,763,207.60x = 139,819,338,237,970,923,520
  5. Step 5: Solve for x
    x = 139,819,338,237,970,923,520/11,691,763,207.60
  6. Step 6: Final answer
    x = 11,958,789,769.80

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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.