Home / 13,941,135,937.80-20,917,879,252.44-7,307,188,492.56

Finding the Fourth Proportional to 13,941,135,937.80, 20,917,879,252.44 and 7,307,188,492.56

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Solution

The fourth proportional to 13,941,135,937.80, 20,917,879,252.44 and 7,307,188,492.56 is: 10,964,019,520.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,941,135,937.80 : 20,917,879,252.44 = 7,307,188,492.56 : x
  2. Step 2: Convert to fraction form
    13,941,135,937.80/20,917,879,252.44 = 7,307,188,492.56/x
  3. Step 3: Cross multiply
    13,941,135,937.80x = 20,917,879,252.44 × 7,307,188,492.56
  4. Step 4: Simplify right side
    13,941,135,937.80x = 152,850,886,562,189,148,160
  5. Step 5: Solve for x
    x = 152,850,886,562,189,148,160/13,941,135,937.80
  6. Step 6: Final answer
    x = 10,964,019,520.66

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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.