Home / 10,086,016,755.88-15,138,205,887.81-5,368,299,410.46

Finding the Fourth Proportional to 10,086,016,755.88, 15,138,205,887.81 and 5,368,299,410.46

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Solution

The fourth proportional to 10,086,016,755.88, 15,138,205,887.81 and 5,368,299,410.46 is: 8,057,335,587.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,086,016,755.88 : 15,138,205,887.81 = 5,368,299,410.46 : x
  2. Step 2: Convert to fraction form
    10,086,016,755.88/15,138,205,887.81 = 5,368,299,410.46/x
  3. Step 3: Cross multiply
    10,086,016,755.88x = 15,138,205,887.81 × 5,368,299,410.46
  4. Step 4: Simplify right side
    10,086,016,755.88x = 81,266,421,743,028,486,144
  5. Step 5: Solve for x
    x = 81,266,421,743,028,486,144/10,086,016,755.88
  6. Step 6: Final answer
    x = 8,057,335,587.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.