Home / 11,691,763,008.10-17,537,644,512.15-7,972,526,313.70

Finding the Fourth Proportional to 11,691,763,008.10, 17,537,644,512.15 and 7,972,526,313.70

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Solution

The fourth proportional to 11,691,763,008.10, 17,537,644,512.15 and 7,972,526,313.70 is: 11,958,789,470.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,691,763,008.10 : 17,537,644,512.15 = 7,972,526,313.70 : x
  2. Step 2: Convert to fraction form
    11,691,763,008.10/17,537,644,512.15 = 7,972,526,313.70/x
  3. Step 3: Cross multiply
    11,691,763,008.10x = 17,537,644,512.15 × 7,972,526,313.70
  4. Step 4: Simplify right side
    11,691,763,008.10x = 139,819,332,353,432,289,280
  5. Step 5: Solve for x
    x = 139,819,332,353,432,289,280/11,691,763,008.10
  6. Step 6: Final answer
    x = 11,958,789,470.55

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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.