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Finding the Fourth Proportional to 560,183,994.30, 839,709,121.05 and 330,034,611.90

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Solution

The fourth proportional to 560,183,994.30, 839,709,121.05 and 330,034,611.90 is: 494,717,943.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,183,994.30 : 839,709,121.05 = 330,034,611.90 : x
  2. Step 2: Convert to fraction form
    560,183,994.30/839,709,121.05 = 330,034,611.90/x
  3. Step 3: Cross multiply
    560,183,994.30x = 839,709,121.05 × 330,034,611.90
  4. Step 4: Simplify right side
    560,183,994.30x = 277,133,073,874,626,848
  5. Step 5: Solve for x
    x = 277,133,073,874,626,848/560,183,994.30
  6. Step 6: Final answer
    x = 494,717,943.92

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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.