Home / 479,393,283.36-661,374,499.60-278,415,945.44

Finding the Fourth Proportional to 479,393,283.36, 661,374,499.60 and 278,415,945.44

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Solution

The fourth proportional to 479,393,283.36, 661,374,499.60 and 278,415,945.44 is: 384,104,686.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,393,283.36 : 661,374,499.60 = 278,415,945.44 : x
  2. Step 2: Convert to fraction form
    479,393,283.36/661,374,499.60 = 278,415,945.44/x
  3. Step 3: Cross multiply
    479,393,283.36x = 661,374,499.60 × 278,415,945.44
  4. Step 4: Simplify right side
    479,393,283.36x = 184,137,206,596,040,896
  5. Step 5: Solve for x
    x = 184,137,206,596,040,896/479,393,283.36
  6. Step 6: Final answer
    x = 384,104,686.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.