Home / 20,043,072,917.40-30,090,884,693.94-13,440,247,362.52

Finding the Fourth Proportional to 20,043,072,917.40, 30,090,884,693.94 and 13,440,247,362.52

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Solution

The fourth proportional to 20,043,072,917.40, 30,090,884,693.94 and 13,440,247,362.52 is: 20,177,990,436.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,043,072,917.40 : 30,090,884,693.94 = 13,440,247,362.52 : x
  2. Step 2: Convert to fraction form
    20,043,072,917.40/30,090,884,693.94 = 13,440,247,362.52/x
  3. Step 3: Cross multiply
    20,043,072,917.40x = 30,090,884,693.94 × 13,440,247,362.52
  4. Step 4: Simplify right side
    20,043,072,917.40x = 404,428,933,643,620,515,840
  5. Step 5: Solve for x
    x = 404,428,933,643,620,515,840/20,043,072,917.40
  6. Step 6: Final answer
    x = 20,177,990,436.41

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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.