Home / 918,384,208.43-1,377,574,540.76-228,292,126.70

Finding the Fourth Proportional to 918,384,208.43, 1,377,574,540.76 and 228,292,126.70

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Solution

The fourth proportional to 918,384,208.43, 1,377,574,540.76 and 228,292,126.70 is: 342,437,749.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,384,208.43 : 1,377,574,540.76 = 228,292,126.70 : x
  2. Step 2: Convert to fraction form
    918,384,208.43/1,377,574,540.76 = 228,292,126.70/x
  3. Step 3: Cross multiply
    918,384,208.43x = 1,377,574,540.76 × 228,292,126.70
  4. Step 4: Simplify right side
    918,384,208.43x = 314,489,421,591,559,104
  5. Step 5: Solve for x
    x = 314,489,421,591,559,104/918,384,208.43
  6. Step 6: Final answer
    x = 342,437,749.59

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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.