Home / 7,172,728,317.72-9,898,610,344.38-4,161,753,672.84

Finding the Fourth Proportional to 7,172,728,317.72, 9,898,610,344.38 and 4,161,753,672.84

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Solution

The fourth proportional to 7,172,728,317.72, 9,898,610,344.38 and 4,161,753,672.84 is: 5,743,362,376.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,172,728,317.72 : 9,898,610,344.38 = 4,161,753,672.84 : x
  2. Step 2: Convert to fraction form
    7,172,728,317.72/9,898,610,344.38 = 4,161,753,672.84/x
  3. Step 3: Cross multiply
    7,172,728,317.72x = 9,898,610,344.38 × 4,161,753,672.84
  4. Step 4: Simplify right side
    7,172,728,317.72x = 41,195,577,956,735,483,904
  5. Step 5: Solve for x
    x = 41,195,577,956,735,483,904/7,172,728,317.72
  6. Step 6: Final answer
    x = 5,743,362,376.48

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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.