Home / 278,170,296.45-417,530,058.44-208,841,968.77

Finding the Fourth Proportional to 278,170,296.45, 417,530,058.44 and 208,841,968.77

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Solution

The fourth proportional to 278,170,296.45, 417,530,058.44 and 208,841,968.77 is: 313,469,124.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,170,296.45 : 417,530,058.44 = 208,841,968.77 : x
  2. Step 2: Convert to fraction form
    278,170,296.45/417,530,058.44 = 208,841,968.77/x
  3. Step 3: Cross multiply
    278,170,296.45x = 417,530,058.44 × 208,841,968.77
  4. Step 4: Simplify right side
    278,170,296.45x = 87,197,799,424,218,544
  5. Step 5: Solve for x
    x = 87,197,799,424,218,544/278,170,296.45
  6. Step 6: Final answer
    x = 313,469,124.98

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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.