Home / 11,921,478,888.06-16,451,991,797.58-6,569,384,010.66

Finding the Fourth Proportional to 11,921,478,888.06, 16,451,991,797.58 and 6,569,384,010.66

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Solution

The fourth proportional to 11,921,478,888.06, 16,451,991,797.58 and 6,569,384,010.66 is: 9,065,943,317.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,921,478,888.06 : 16,451,991,797.58 = 6,569,384,010.66 : x
  2. Step 2: Convert to fraction form
    11,921,478,888.06/16,451,991,797.58 = 6,569,384,010.66/x
  3. Step 3: Cross multiply
    11,921,478,888.06x = 16,451,991,797.58 × 6,569,384,010.66
  4. Step 4: Simplify right side
    11,921,478,888.06x = 108,079,451,858,531,516,416
  5. Step 5: Solve for x
    x = 108,079,451,858,531,516,416/11,921,478,888.06
  6. Step 6: Final answer
    x = 9,065,943,317.38

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Double scale
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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.