Home / 21,923,359,045.11-30,250,779,731.84-12,769,394,419.35

Finding the Fourth Proportional to 21,923,359,045.11, 30,250,779,731.84 and 12,769,394,419.35

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Solution

The fourth proportional to 21,923,359,045.11, 30,250,779,731.84 and 12,769,394,419.35 is: 17,619,751,475.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,923,359,045.11 : 30,250,779,731.84 = 12,769,394,419.35 : x
  2. Step 2: Convert to fraction form
    21,923,359,045.11/30,250,779,731.84 = 12,769,394,419.35/x
  3. Step 3: Cross multiply
    21,923,359,045.11x = 30,250,779,731.84 × 12,769,394,419.35
  4. Step 4: Simplify right side
    21,923,359,045.11x = 386,284,137,888,794,869,760
  5. Step 5: Solve for x
    x = 386,284,137,888,794,869,760/21,923,359,045.11
  6. Step 6: Final answer
    x = 17,619,751,475.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.