Home / 827,711,940.80-1,241,120,013.60-343,086,737.60

Finding the Fourth Proportional to 827,711,940.80, 1,241,120,013.60 and 343,086,737.60

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Solution

The fourth proportional to 827,711,940.80, 1,241,120,013.60 and 343,086,737.60 is: 514,444,452.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,711,940.80 : 1,241,120,013.60 = 343,086,737.60 : x
  2. Step 2: Convert to fraction form
    827,711,940.80/1,241,120,013.60 = 343,086,737.60/x
  3. Step 3: Cross multiply
    827,711,940.80x = 1,241,120,013.60 × 343,086,737.60
  4. Step 4: Simplify right side
    827,711,940.80x = 425,811,816,436,091,648
  5. Step 5: Solve for x
    x = 425,811,816,436,091,648/827,711,940.80
  6. Step 6: Final answer
    x = 514,444,452.77

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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.