Home / 850,629,961.81-1,275,944,943.44-204,397,705.81

Finding the Fourth Proportional to 850,629,961.81, 1,275,944,943.44 and 204,397,705.81

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Solution

The fourth proportional to 850,629,961.81, 1,275,944,943.44 and 204,397,705.81 is: 306,596,558.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,629,961.81 : 1,275,944,943.44 = 204,397,705.81 : x
  2. Step 2: Convert to fraction form
    850,629,961.81/1,275,944,943.44 = 204,397,705.81/x
  3. Step 3: Cross multiply
    850,629,961.81x = 1,275,944,943.44 × 204,397,705.81
  4. Step 4: Simplify right side
    850,629,961.81x = 260,800,219,179,006,240
  5. Step 5: Solve for x
    x = 260,800,219,179,006,240/850,629,961.81
  6. Step 6: Final answer
    x = 306,596,558.89

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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.