Home / 13,433,049,359.35-18,543,553,103.78-8,677,644,426.07

Finding the Fourth Proportional to 13,433,049,359.35, 18,543,553,103.78 and 8,677,644,426.07

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Solution

The fourth proportional to 13,433,049,359.35, 18,543,553,103.78 and 8,677,644,426.07 is: 11,978,989,723.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,433,049,359.35 : 18,543,553,103.78 = 8,677,644,426.07 : x
  2. Step 2: Convert to fraction form
    13,433,049,359.35/18,543,553,103.78 = 8,677,644,426.07/x
  3. Step 3: Cross multiply
    13,433,049,359.35x = 18,543,553,103.78 × 8,677,644,426.07
  4. Step 4: Simplify right side
    13,433,049,359.35x = 160,914,360,230,549,553,152
  5. Step 5: Solve for x
    x = 160,914,360,230,549,553,152/13,433,049,359.35
  6. Step 6: Final answer
    x = 11,978,989,723.47

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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.