Home / 851,302,436.70-1,276,340,795.67-523,099,837.56

Finding the Fourth Proportional to 851,302,436.70, 1,276,340,795.67 and 523,099,837.56

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Solution

The fourth proportional to 851,302,436.70, 1,276,340,795.67 and 523,099,837.56 is: 784,273,172.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,302,436.70 : 1,276,340,795.67 = 523,099,837.56 : x
  2. Step 2: Convert to fraction form
    851,302,436.70/1,276,340,795.67 = 523,099,837.56/x
  3. Step 3: Cross multiply
    851,302,436.70x = 1,276,340,795.67 × 523,099,837.56
  4. Step 4: Simplify right side
    851,302,436.70x = 667,653,662,886,178,176
  5. Step 5: Solve for x
    x = 667,653,662,886,178,176/851,302,436.70
  6. Step 6: Final answer
    x = 784,273,172.62

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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.