Home / 20,012,158,993,939-27,615,263,807,663-11,231,123,969,813

Finding the Fourth Proportional to 20,012,158,993,939, 27,615,263,807,663 and 11,231,123,969,813

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Solution

The fourth proportional to 20,012,158,993,939, 27,615,263,807,663 and 11,231,123,969,813 is: 15,498,100,498,646.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,012,158,993,939 : 27,615,263,807,663 = 11,231,123,969,813 : x
  2. Step 2: Convert to fraction form
    20,012,158,993,939/27,615,263,807,663 = 11,231,123,969,813/x
  3. Step 3: Cross multiply
    20,012,158,993,939x = 27,615,263,807,663 × 11,231,123,969,813
  4. Step 4: Simplify right side
    20,012,158,993,939x = 310,150,451,282,953,333,228,175,360
  5. Step 5: Solve for x
    x = 310,150,451,282,953,333,228,175,360/20,012,158,993,939
  6. Step 6: Final answer
    x = 15,498,100,498,646.21

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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.