Home / 14,505,511,206.45-21,762,707,331.39-7,428,005,221.92

Finding the Fourth Proportional to 14,505,511,206.45, 21,762,707,331.39 and 7,428,005,221.92

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Solution

The fourth proportional to 14,505,511,206.45, 21,762,707,331.39 and 7,428,005,221.92 is: 11,144,281,742.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,505,511,206.45 : 21,762,707,331.39 = 7,428,005,221.92 : x
  2. Step 2: Convert to fraction form
    14,505,511,206.45/21,762,707,331.39 = 7,428,005,221.92/x
  3. Step 3: Cross multiply
    14,505,511,206.45x = 21,762,707,331.39 × 7,428,005,221.92
  4. Step 4: Simplify right side
    14,505,511,206.45x = 161,653,503,700,681,588,736
  5. Step 5: Solve for x
    x = 161,653,503,700,681,588,736/14,505,511,206.45
  6. Step 6: Final answer
    x = 11,144,281,742.29

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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.