Home / 20,986,202,433.36-31,484,824,989.12-7,541,844,552.84

Finding the Fourth Proportional to 20,986,202,433.36, 31,484,824,989.12 and 7,541,844,552.84

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Solution

The fourth proportional to 20,986,202,433.36, 31,484,824,989.12 and 7,541,844,552.84 is: 11,314,751,041.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,986,202,433.36 : 31,484,824,989.12 = 7,541,844,552.84 : x
  2. Step 2: Convert to fraction form
    20,986,202,433.36/31,484,824,989.12 = 7,541,844,552.84/x
  3. Step 3: Cross multiply
    20,986,202,433.36x = 31,484,824,989.12 × 7,541,844,552.84
  4. Step 4: Simplify right side
    20,986,202,433.36x = 237,453,655,841,315,389,440
  5. Step 5: Solve for x
    x = 237,453,655,841,315,389,440/20,986,202,433.36
  6. Step 6: Final answer
    x = 11,314,751,041.56

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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.