Home / 1,268,720,819.48-1,903,172,952-531,048,825.02

Finding the Fourth Proportional to 1,268,720,819.48, 1,903,172,952 and 531,048,825.02

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Solution

The fourth proportional to 1,268,720,819.48, 1,903,172,952 and 531,048,825.02 is: 796,611,629.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,268,720,819.48 : 1,903,172,952 = 531,048,825.02 : x
  2. Step 2: Convert to fraction form
    1,268,720,819.48/1,903,172,952 = 531,048,825.02/x
  3. Step 3: Cross multiply
    1,268,720,819.48x = 1,903,172,952 × 531,048,825.02
  4. Step 4: Simplify right side
    1,268,720,819.48x = 1,010,677,759,969,444,864
  5. Step 5: Solve for x
    x = 1,010,677,759,969,444,864/1,268,720,819.48
  6. Step 6: Final answer
    x = 796,611,629.96

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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.