Home / 853,361,193.62-1,280,042,284.94-239,945,419.38

Finding the Fourth Proportional to 853,361,193.62, 1,280,042,284.94 and 239,945,419.38

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Solution

The fourth proportional to 853,361,193.62, 1,280,042,284.94 and 239,945,419.38 is: 359,918,268.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,361,193.62 : 1,280,042,284.94 = 239,945,419.38 : x
  2. Step 2: Convert to fraction form
    853,361,193.62/1,280,042,284.94 = 239,945,419.38/x
  3. Step 3: Cross multiply
    853,361,193.62x = 1,280,042,284.94 × 239,945,419.38
  4. Step 4: Simplify right side
    853,361,193.62x = 307,140,282,884,061,760
  5. Step 5: Solve for x
    x = 307,140,282,884,061,760/853,361,193.62
  6. Step 6: Final answer
    x = 359,918,268.11

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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.