Home / 13,291,753,724.35-19,937,664,355.19-5,431,166,049.47

Finding the Fourth Proportional to 13,291,753,724.35, 19,937,664,355.19 and 5,431,166,049.47

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Solution

The fourth proportional to 13,291,753,724.35, 19,937,664,355.19 and 5,431,166,049.47 is: 8,146,762,872.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,291,753,724.35 : 19,937,664,355.19 = 5,431,166,049.47 : x
  2. Step 2: Convert to fraction form
    13,291,753,724.35/19,937,664,355.19 = 5,431,166,049.47/x
  3. Step 3: Cross multiply
    13,291,753,724.35x = 19,937,664,355.19 × 5,431,166,049.47
  4. Step 4: Simplify right side
    13,291,753,724.35x = 108,284,765,751,509,270,528
  5. Step 5: Solve for x
    x = 108,284,765,751,509,270,528/13,291,753,724.35
  6. Step 6: Final answer
    x = 8,146,762,872.47

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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.