Home / 682,179,723,143.45-1,021,645,176,538.50-394,731,994,142.97

Finding the Fourth Proportional to 682,179,723,143.45, 1,021,645,176,538.50 and 394,731,994,142.97

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Solution

The fourth proportional to 682,179,723,143.45, 1,021,645,176,538.50 and 394,731,994,142.97 is: 591,158,054,336.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,179,723,143.45 : 1,021,645,176,538.50 = 394,731,994,142.97 : x
  2. Step 2: Convert to fraction form
    682,179,723,143.45/1,021,645,176,538.50 = 394,731,994,142.97/x
  3. Step 3: Cross multiply
    682,179,723,143.45x = 1,021,645,176,538.50 × 394,731,994,142.97
  4. Step 4: Simplify right side
    682,179,723,143.45x = 403,276,037,841,588,735,442,944
  5. Step 5: Solve for x
    x = 403,276,037,841,588,735,442,944/682,179,723,143.45
  6. Step 6: Final answer
    x = 591,158,054,336.93

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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.