Home / 13,520,744,997.43-18,637,069,222.41-10,658,219,095.69

Finding the Fourth Proportional to 13,520,744,997.43, 18,637,069,222.41 and 10,658,219,095.69

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Solution

The fourth proportional to 13,520,744,997.43, 18,637,069,222.41 and 10,658,219,095.69 is: 14,691,347,785.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,520,744,997.43 : 18,637,069,222.41 = 10,658,219,095.69 : x
  2. Step 2: Convert to fraction form
    13,520,744,997.43/18,637,069,222.41 = 10,658,219,095.69/x
  3. Step 3: Cross multiply
    13,520,744,997.43x = 18,637,069,222.41 × 10,658,219,095.69
  4. Step 4: Simplify right side
    13,520,744,997.43x = 198,637,967,073,986,641,920
  5. Step 5: Solve for x
    x = 198,637,967,073,986,641,920/13,520,744,997.43
  6. Step 6: Final answer
    x = 14,691,347,785.33

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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.