Home / 918,261,357.48-1,377,393,033.96-228,168,611.46

Finding the Fourth Proportional to 918,261,357.48, 1,377,393,033.96 and 228,168,611.46

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Solution

The fourth proportional to 918,261,357.48, 1,377,393,033.96 and 228,168,611.46 is: 342,253,165.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,261,357.48 : 1,377,393,033.96 = 228,168,611.46 : x
  2. Step 2: Convert to fraction form
    918,261,357.48/1,377,393,033.96 = 228,168,611.46/x
  3. Step 3: Cross multiply
    918,261,357.48x = 1,377,393,033.96 × 228,168,611.46
  4. Step 4: Simplify right side
    918,261,357.48x = 314,277,855,993,329,856
  5. Step 5: Solve for x
    x = 314,277,855,993,329,856/918,261,357.48
  6. Step 6: Final answer
    x = 342,253,165.11

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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.