Home / 541,611,082,121.85-812,639,318,469.30-239,264,114,812.29

Finding the Fourth Proportional to 541,611,082,121.85, 812,639,318,469.30 and 239,264,114,812.29

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Solution

The fourth proportional to 541,611,082,121.85, 812,639,318,469.30 and 239,264,114,812.29 is: 358,994,550,911.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,611,082,121.85 : 812,639,318,469.30 = 239,264,114,812.29 : x
  2. Step 2: Convert to fraction form
    541,611,082,121.85/812,639,318,469.30 = 239,264,114,812.29/x
  3. Step 3: Cross multiply
    541,611,082,121.85x = 812,639,318,469.30 × 239,264,114,812.29
  4. Step 4: Simplify right side
    541,611,082,121.85x = 194,435,427,195,219,697,729,536
  5. Step 5: Solve for x
    x = 194,435,427,195,219,697,729,536/541,611,082,121.85
  6. Step 6: Final answer
    x = 358,994,550,911.86

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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.