Home / 15,090,283,809.43-20,823,985,361.15-8,223,534,623.31

Finding the Fourth Proportional to 15,090,283,809.43, 20,823,985,361.15 and 8,223,534,623.31

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Solution

The fourth proportional to 15,090,283,809.43, 20,823,985,361.15 and 8,223,534,623.31 is: 11,348,147,375.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,090,283,809.43 : 20,823,985,361.15 = 8,223,534,623.31 : x
  2. Step 2: Convert to fraction form
    15,090,283,809.43/20,823,985,361.15 = 8,223,534,623.31/x
  3. Step 3: Cross multiply
    15,090,283,809.43x = 20,823,985,361.15 × 8,223,534,623.31
  4. Step 4: Simplify right side
    15,090,283,809.43x = 171,246,764,612,815,192,064
  5. Step 5: Solve for x
    x = 171,246,764,612,815,192,064/15,090,283,809.43
  6. Step 6: Final answer
    x = 11,348,147,375.85

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.