Home / 13,357,982,322.80-20,036,973,484.20-12,132,534,489.20

Finding the Fourth Proportional to 13,357,982,322.80, 20,036,973,484.20 and 12,132,534,489.20

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Solution

The fourth proportional to 13,357,982,322.80, 20,036,973,484.20 and 12,132,534,489.20 is: 18,198,801,733.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,357,982,322.80 : 20,036,973,484.20 = 12,132,534,489.20 : x
  2. Step 2: Convert to fraction form
    13,357,982,322.80/20,036,973,484.20 = 12,132,534,489.20/x
  3. Step 3: Cross multiply
    13,357,982,322.80x = 20,036,973,484.20 × 12,132,534,489.20
  4. Step 4: Simplify right side
    13,357,982,322.80x = 243,099,271,856,242,425,856
  5. Step 5: Solve for x
    x = 243,099,271,856,242,425,856/13,357,982,322.80
  6. Step 6: Final answer
    x = 18,198,801,733.80

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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.