Home / 13,306,728,665.52-18,363,430,677.24-7,366,380,369.84

Finding the Fourth Proportional to 13,306,728,665.52, 18,363,430,677.24 and 7,366,380,369.84

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Solution

The fourth proportional to 13,306,728,665.52, 18,363,430,677.24 and 7,366,380,369.84 is: 10,165,685,245.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,306,728,665.52 : 18,363,430,677.24 = 7,366,380,369.84 : x
  2. Step 2: Convert to fraction form
    13,306,728,665.52/18,363,430,677.24 = 7,366,380,369.84/x
  3. Step 3: Cross multiply
    13,306,728,665.52x = 18,363,430,677.24 × 7,366,380,369.84
  4. Step 4: Simplify right side
    13,306,728,665.52x = 135,272,015,263,738,413,056
  5. Step 5: Solve for x
    x = 135,272,015,263,738,413,056/13,306,728,665.52
  6. Step 6: Final answer
    x = 10,165,685,245.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.