Home / 1,268,720,819.98-1,903,172,952.75-531,048,825.52

Finding the Fourth Proportional to 1,268,720,819.98, 1,903,172,952.75 and 531,048,825.52

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Solution

The fourth proportional to 1,268,720,819.98, 1,903,172,952.75 and 531,048,825.52 is: 796,611,630.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,268,720,819.98 : 1,903,172,952.75 = 531,048,825.52 : x
  2. Step 2: Convert to fraction form
    1,268,720,819.98/1,903,172,952.75 = 531,048,825.52/x
  3. Step 3: Cross multiply
    1,268,720,819.98x = 1,903,172,952.75 × 531,048,825.52
  4. Step 4: Simplify right side
    1,268,720,819.98x = 1,010,677,761,319,317,888
  5. Step 5: Solve for x
    x = 1,010,677,761,319,317,888/1,268,720,819.98
  6. Step 6: Final answer
    x = 796,611,630.71

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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.