Home / 204,516,211,519.80-306,774,317,279.70-85,093,845,785.55

Finding the Fourth Proportional to 204,516,211,519.80, 306,774,317,279.70 and 85,093,845,785.55

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Solution

The fourth proportional to 204,516,211,519.80, 306,774,317,279.70 and 85,093,845,785.55 is: 127,640,768,678.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,516,211,519.80 : 306,774,317,279.70 = 85,093,845,785.55 : x
  2. Step 2: Convert to fraction form
    204,516,211,519.80/306,774,317,279.70 = 85,093,845,785.55/x
  3. Step 3: Cross multiply
    204,516,211,519.80x = 306,774,317,279.70 × 85,093,845,785.55
  4. Step 4: Simplify right side
    204,516,211,519.80x = 26,104,606,445,566,181,769,216
  5. Step 5: Solve for x
    x = 26,104,606,445,566,181,769,216/204,516,211,519.80
  6. Step 6: Final answer
    x = 127,640,768,678.33

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Double scale
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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.