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Finding the Fourth Proportional to 517,093,980.62, 775,583,674.83 and 185,087,730.42

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Solution

The fourth proportional to 517,093,980.62, 775,583,674.83 and 185,087,730.42 is: 277,611,087.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,093,980.62 : 775,583,674.83 = 185,087,730.42 : x
  2. Step 2: Convert to fraction form
    517,093,980.62/775,583,674.83 = 185,087,730.42/x
  3. Step 3: Cross multiply
    517,093,980.62x = 775,583,674.83 × 185,087,730.42
  4. Step 4: Simplify right side
    517,093,980.62x = 143,551,022,125,087,984
  5. Step 5: Solve for x
    x = 143,551,022,125,087,984/517,093,980.62
  6. Step 6: Final answer
    x = 277,611,087.17

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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.