Home / 14,505,511,199.40-21,762,707,320.81-7,428,005,214.89

Finding the Fourth Proportional to 14,505,511,199.40, 21,762,707,320.81 and 7,428,005,214.89

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Solution

The fourth proportional to 14,505,511,199.40, 21,762,707,320.81 and 7,428,005,214.89 is: 11,144,281,731.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,505,511,199.40 : 21,762,707,320.81 = 7,428,005,214.89 : x
  2. Step 2: Convert to fraction form
    14,505,511,199.40/21,762,707,320.81 = 7,428,005,214.89/x
  3. Step 3: Cross multiply
    14,505,511,199.40x = 21,762,707,320.81 × 7,428,005,214.89
  4. Step 4: Simplify right side
    14,505,511,199.40x = 161,653,503,469,000,097,792
  5. Step 5: Solve for x
    x = 161,653,503,469,000,097,792/14,505,511,199.40
  6. Step 6: Final answer
    x = 11,144,281,731.74

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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.