Home / 13,291,753,726.62-19,937,664,358.56-5,431,166,051.72

Finding the Fourth Proportional to 13,291,753,726.62, 19,937,664,358.56 and 5,431,166,051.72

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Solution

The fourth proportional to 13,291,753,726.62, 19,937,664,358.56 and 5,431,166,051.72 is: 8,146,762,875.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,291,753,726.62 : 19,937,664,358.56 = 5,431,166,051.72 : x
  2. Step 2: Convert to fraction form
    13,291,753,726.62/19,937,664,358.56 = 5,431,166,051.72/x
  3. Step 3: Cross multiply
    13,291,753,726.62x = 19,937,664,358.56 × 5,431,166,051.72
  4. Step 4: Simplify right side
    13,291,753,726.62x = 108,284,765,814,699,196,416
  5. Step 5: Solve for x
    x = 108,284,765,814,699,196,416/13,291,753,726.62
  6. Step 6: Final answer
    x = 8,146,762,875.83

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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.