Home / 854,747,647,740.81-1,282,162,706,912-281,051,059,411.80

Finding the Fourth Proportional to 854,747,647,740.81, 1,282,162,706,912 and 281,051,059,411.80

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Solution

The fourth proportional to 854,747,647,740.81, 1,282,162,706,912 and 281,051,059,411.80 is: 421,590,147,768.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,747,647,740.81 : 1,282,162,706,912 = 281,051,059,411.80 : x
  2. Step 2: Convert to fraction form
    854,747,647,740.81/1,282,162,706,912 = 281,051,059,411.80/x
  3. Step 3: Cross multiply
    854,747,647,740.81x = 1,282,162,706,912 × 281,051,059,411.80
  4. Step 4: Simplify right side
    854,747,647,740.81x = 360,353,187,115,918,837,153,792
  5. Step 5: Solve for x
    x = 360,353,187,115,918,837,153,792/854,747,647,740.81
  6. Step 6: Final answer
    x = 421,590,147,768.61

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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.