Home / 13,591,901,039.92-18,757,766,141.40-8,239,686,995.44

Finding the Fourth Proportional to 13,591,901,039.92, 18,757,766,141.40 and 8,239,686,995.44

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Solution

The fourth proportional to 13,591,901,039.92, 18,757,766,141.40 and 8,239,686,995.44 is: 11,371,339,541.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,591,901,039.92 : 18,757,766,141.40 = 8,239,686,995.44 : x
  2. Step 2: Convert to fraction form
    13,591,901,039.92/18,757,766,141.40 = 8,239,686,995.44/x
  3. Step 3: Cross multiply
    13,591,901,039.92x = 18,757,766,141.40 × 8,239,686,995.44
  4. Step 4: Simplify right side
    13,591,901,039.92x = 154,558,121,738,798,333,952
  5. Step 5: Solve for x
    x = 154,558,121,738,798,333,952/13,591,901,039.92
  6. Step 6: Final answer
    x = 11,371,339,541.46

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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.