Home / 13,419,146,134.67-18,518,477,600.00-7,397,519,252.44

Finding the Fourth Proportional to 13,419,146,134.67, 18,518,477,600.00 and 7,397,519,252.44

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Solution

The fourth proportional to 13,419,146,134.67, 18,518,477,600.00 and 7,397,519,252.44 is: 10,208,607,402.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,419,146,134.67 : 18,518,477,600.00 = 7,397,519,252.44 : x
  2. Step 2: Convert to fraction form
    13,419,146,134.67/18,518,477,600.00 = 7,397,519,252.44/x
  3. Step 3: Cross multiply
    13,419,146,134.67x = 18,518,477,600.00 × 7,397,519,252.44
  4. Step 4: Simplify right side
    13,419,146,134.67x = 136,990,794,571,938,119,680
  5. Step 5: Solve for x
    x = 136,990,794,571,938,119,680/13,419,146,134.67
  6. Step 6: Final answer
    x = 10,208,607,402.97

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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.