Home / 14,687,521,579.15-20,268,848,418.62-8,344,237,485.20

Finding the Fourth Proportional to 14,687,521,579.15, 20,268,848,418.62 and 8,344,237,485.20

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Solution

The fourth proportional to 14,687,521,579.15, 20,268,848,418.62 and 8,344,237,485.20 is: 11,515,086,724.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,687,521,579.15 : 20,268,848,418.62 = 8,344,237,485.20 : x
  2. Step 2: Convert to fraction form
    14,687,521,579.15/20,268,848,418.62 = 8,344,237,485.20/x
  3. Step 3: Cross multiply
    14,687,521,579.15x = 20,268,848,418.62 × 8,344,237,485.20
  4. Step 4: Simplify right side
    14,687,521,579.15x = 169,128,084,756,342,702,080
  5. Step 5: Solve for x
    x = 169,128,084,756,342,702,080/14,687,521,579.15
  6. Step 6: Final answer
    x = 11,515,086,724.80

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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.