Home / 438,515,593,362.44-657,645,783,169.32-169,844,649,847.44

Finding the Fourth Proportional to 438,515,593,362.44, 657,645,783,169.32 and 169,844,649,847.44

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Solution

The fourth proportional to 438,515,593,362.44, 657,645,783,169.32 and 169,844,649,847.44 is: 254,717,550,428.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,515,593,362.44 : 657,645,783,169.32 = 169,844,649,847.44 : x
  2. Step 2: Convert to fraction form
    438,515,593,362.44/657,645,783,169.32 = 169,844,649,847.44/x
  3. Step 3: Cross multiply
    438,515,593,362.44x = 657,645,783,169.32 × 169,844,649,847.44
  4. Step 4: Simplify right side
    438,515,593,362.44x = 111,697,617,766,038,605,135,872
  5. Step 5: Solve for x
    x = 111,697,617,766,038,605,135,872/438,515,593,362.44
  6. Step 6: Final answer
    x = 254,717,550,428.63

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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.