Home / 722,082,839,343.87-1,083,128,874,567.50-212,139,520,614.75

Finding the Fourth Proportional to 722,082,839,343.87, 1,083,128,874,567.50 and 212,139,520,614.75

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Solution

The fourth proportional to 722,082,839,343.87, 1,083,128,874,567.50 and 212,139,520,614.75 is: 318,210,636,917.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,082,839,343.87 : 1,083,128,874,567.50 = 212,139,520,614.75 : x
  2. Step 2: Convert to fraction form
    722,082,839,343.87/1,083,128,874,567.50 = 212,139,520,614.75/x
  3. Step 3: Cross multiply
    722,082,839,343.87x = 1,083,128,874,567.50 × 212,139,520,614.75
  4. Step 4: Simplify right side
    722,082,839,343.87x = 229,774,440,214,743,119,560,704
  5. Step 5: Solve for x
    x = 229,774,440,214,743,119,560,704/722,082,839,343.87
  6. Step 6: Final answer
    x = 318,210,636,917.41

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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.