Home / 13,433,049,362.85-18,543,553,108.62-8,677,644,429.57

Finding the Fourth Proportional to 13,433,049,362.85, 18,543,553,108.62 and 8,677,644,429.57

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Solution

The fourth proportional to 13,433,049,362.85, 18,543,553,108.62 and 8,677,644,429.57 is: 11,978,989,728.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,433,049,362.85 : 18,543,553,108.62 = 8,677,644,429.57 : x
  2. Step 2: Convert to fraction form
    13,433,049,362.85/18,543,553,108.62 = 8,677,644,429.57/x
  3. Step 3: Cross multiply
    13,433,049,362.85x = 18,543,553,108.62 × 8,677,644,429.57
  4. Step 4: Simplify right side
    13,433,049,362.85x = 160,914,360,337,451,778,048
  5. Step 5: Solve for x
    x = 160,914,360,337,451,778,048/13,433,049,362.85
  6. Step 6: Final answer
    x = 11,978,989,728.31

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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.