Home / 818,884,683,930.32-1,228,494,555,361.40-281,592,865,949.68

Finding the Fourth Proportional to 818,884,683,930.32, 1,228,494,555,361.40 and 281,592,865,949.68

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Solution

The fourth proportional to 818,884,683,930.32, 1,228,494,555,361.40 and 281,592,865,949.68 is: 422,446,907,893.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,884,683,930.32 : 1,228,494,555,361.40 = 281,592,865,949.68 : x
  2. Step 2: Convert to fraction form
    818,884,683,930.32/1,228,494,555,361.40 = 281,592,865,949.68/x
  3. Step 3: Cross multiply
    818,884,683,930.32x = 1,228,494,555,361.40 × 281,592,865,949.68
  4. Step 4: Simplify right side
    818,884,683,930.32x = 345,935,302,647,794,381,094,912
  5. Step 5: Solve for x
    x = 345,935,302,647,794,381,094,912/818,884,683,930.32
  6. Step 6: Final answer
    x = 422,446,907,893.60

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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.