Home / 873,118,664.31-1,204,908,650.78-496,775,242.94

Finding the Fourth Proportional to 873,118,664.31, 1,204,908,650.78 and 496,775,242.94

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Solution

The fourth proportional to 873,118,664.31, 1,204,908,650.78 and 496,775,242.94 is: 685,552,619.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,118,664.31 : 1,204,908,650.78 = 496,775,242.94 : x
  2. Step 2: Convert to fraction form
    873,118,664.31/1,204,908,650.78 = 496,775,242.94/x
  3. Step 3: Cross multiply
    873,118,664.31x = 1,204,908,650.78 × 496,775,242.94
  4. Step 4: Simplify right side
    873,118,664.31x = 598,568,787,706,246,016
  5. Step 5: Solve for x
    x = 598,568,787,706,246,016/873,118,664.31
  6. Step 6: Final answer
    x = 685,552,619.79

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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.