Home / 13,291,753,728.12-19,937,664,360.81-5,431,166,053.22

Finding the Fourth Proportional to 13,291,753,728.12, 19,937,664,360.81 and 5,431,166,053.22

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Solution

The fourth proportional to 13,291,753,728.12, 19,937,664,360.81 and 5,431,166,053.22 is: 8,146,762,878.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,291,753,728.12 : 19,937,664,360.81 = 5,431,166,053.22 : x
  2. Step 2: Convert to fraction form
    13,291,753,728.12/19,937,664,360.81 = 5,431,166,053.22/x
  3. Step 3: Cross multiply
    13,291,753,728.12x = 19,937,664,360.81 × 5,431,166,053.22
  4. Step 4: Simplify right side
    13,291,753,728.12x = 108,284,765,856,925,515,776
  5. Step 5: Solve for x
    x = 108,284,765,856,925,515,776/13,291,753,728.12
  6. Step 6: Final answer
    x = 8,146,762,878.09

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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.