Home / 243,610,448,998.86-365,415,171,056.49-137,444,320,865.34

Finding the Fourth Proportional to 243,610,448,998.86, 365,415,171,056.49 and 137,444,320,865.34

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Solution

The fourth proportional to 243,610,448,998.86, 365,415,171,056.49 and 137,444,320,865.34 is: 206,166,197,821.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,610,448,998.86 : 365,415,171,056.49 = 137,444,320,865.34 : x
  2. Step 2: Convert to fraction form
    243,610,448,998.86/365,415,171,056.49 = 137,444,320,865.34/x
  3. Step 3: Cross multiply
    243,610,448,998.86x = 365,415,171,056.49 × 137,444,320,865.34
  4. Step 4: Simplify right side
    243,610,448,998.86x = 50,224,240,019,751,307,313,152
  5. Step 5: Solve for x
    x = 50,224,240,019,751,307,313,152/243,610,448,998.86
  6. Step 6: Final answer
    x = 206,166,197,821.78

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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.