Home / 493,072,557.22-739,434,380.65-143,245,844.76

Finding the Fourth Proportional to 493,072,557.22, 739,434,380.65 and 143,245,844.76

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Solution

The fourth proportional to 493,072,557.22, 739,434,380.65 and 143,245,844.76 is: 214,818,084.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,072,557.22 : 739,434,380.65 = 143,245,844.76 : x
  2. Step 2: Convert to fraction form
    493,072,557.22/739,434,380.65 = 143,245,844.76/x
  3. Step 3: Cross multiply
    493,072,557.22x = 739,434,380.65 × 143,245,844.76
  4. Step 4: Simplify right side
    493,072,557.22x = 105,920,902,500,796,640
  5. Step 5: Solve for x
    x = 105,920,902,500,796,640/493,072,557.22
  6. Step 6: Final answer
    x = 214,818,084.99

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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.