Home / 706,638,621.78-1,059,467,083.26-312,950,917.97

Finding the Fourth Proportional to 706,638,621.78, 1,059,467,083.26 and 312,950,917.97

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Solution

The fourth proportional to 706,638,621.78, 1,059,467,083.26 and 312,950,917.97 is: 469,208,993.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,638,621.78 : 1,059,467,083.26 = 312,950,917.97 : x
  2. Step 2: Convert to fraction form
    706,638,621.78/1,059,467,083.26 = 312,950,917.97/x
  3. Step 3: Cross multiply
    706,638,621.78x = 1,059,467,083.26 × 312,950,917.97
  4. Step 4: Simplify right side
    706,638,621.78x = 331,561,196,259,918,080
  5. Step 5: Solve for x
    x = 331,561,196,259,918,080/706,638,621.78
  6. Step 6: Final answer
    x = 469,208,993.17

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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.