Home / 13,291,753,686.44-19,937,664,298.22-5,431,166,011.53

Finding the Fourth Proportional to 13,291,753,686.44, 19,937,664,298.22 and 5,431,166,011.53

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Solution

The fourth proportional to 13,291,753,686.44, 19,937,664,298.22 and 5,431,166,011.53 is: 8,146,762,815.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,291,753,686.44 : 19,937,664,298.22 = 5,431,166,011.53 : x
  2. Step 2: Convert to fraction form
    13,291,753,686.44/19,937,664,298.22 = 5,431,166,011.53/x
  3. Step 3: Cross multiply
    13,291,753,686.44x = 19,937,664,298.22 × 5,431,166,011.53
  4. Step 4: Simplify right side
    13,291,753,686.44x = 108,284,764,685,760,430,080
  5. Step 5: Solve for x
    x = 108,284,764,685,760,430,080/13,291,753,686.44
  6. Step 6: Final answer
    x = 8,146,762,815.52

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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.