Home / 1,583,118,439.46-2,183,795,769.44-987,368,628.82

Finding the Fourth Proportional to 1,583,118,439.46, 2,183,795,769.44 and 987,368,628.82

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Solution

The fourth proportional to 1,583,118,439.46, 2,183,795,769.44 and 987,368,628.82 is: 1,362,002,602.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,583,118,439.46 : 2,183,795,769.44 = 987,368,628.82 : x
  2. Step 2: Convert to fraction form
    1,583,118,439.46/2,183,795,769.44 = 987,368,628.82/x
  3. Step 3: Cross multiply
    1,583,118,439.46x = 2,183,795,769.44 × 987,368,628.82
  4. Step 4: Simplify right side
    1,583,118,439.46x = 2,156,211,434,494,889,728
  5. Step 5: Solve for x
    x = 2,156,211,434,494,889,728/1,583,118,439.46
  6. Step 6: Final answer
    x = 1,362,002,602.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.