Home / 228,404,378,309.22-342,393,557,935.78-77,205,479,153.22

Finding the Fourth Proportional to 228,404,378,309.22, 342,393,557,935.78 and 77,205,479,153.22

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Solution

The fourth proportional to 228,404,378,309.22, 342,393,557,935.78 and 77,205,479,153.22 is: 115,736,217,033.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,404,378,309.22 : 342,393,557,935.78 = 77,205,479,153.22 : x
  2. Step 2: Convert to fraction form
    228,404,378,309.22/342,393,557,935.78 = 77,205,479,153.22/x
  3. Step 3: Cross multiply
    228,404,378,309.22x = 342,393,557,935.78 × 77,205,479,153.22
  4. Step 4: Simplify right side
    228,404,378,309.22x = 26,434,658,699,407,691,612,160
  5. Step 5: Solve for x
    x = 26,434,658,699,407,691,612,160/228,404,378,309.22
  6. Step 6: Final answer
    x = 115,736,217,033.55

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1.5x scale

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.