Home / 34,365,535,982.32-47,428,568,230.74-20,816,775,603.37

Finding the Fourth Proportional to 34,365,535,982.32, 47,428,568,230.74 and 20,816,775,603.37

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Solution

The fourth proportional to 34,365,535,982.32, 47,428,568,230.74 and 20,816,775,603.37 is: 28,729,651,199.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,365,535,982.32 : 47,428,568,230.74 = 20,816,775,603.37 : x
  2. Step 2: Convert to fraction form
    34,365,535,982.32/47,428,568,230.74 = 20,816,775,603.37/x
  3. Step 3: Cross multiply
    34,365,535,982.32x = 47,428,568,230.74 × 20,816,775,603.37
  4. Step 4: Simplify right side
    34,365,535,982.32x = 987,309,862,048,479,444,992
  5. Step 5: Solve for x
    x = 987,309,862,048,479,444,992/34,365,535,982.32
  6. Step 6: Final answer
    x = 28,729,651,199.28

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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.