Home / 497,027,551,772.41-685,914,945,165.73-288,438,324,669.36

Finding the Fourth Proportional to 497,027,551,772.41, 685,914,945,165.73 and 288,438,324,669.36

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Solution

The fourth proportional to 497,027,551,772.41, 685,914,945,165.73 and 288,438,324,669.36 is: 398,054,709,329.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,027,551,772.41 : 685,914,945,165.73 = 288,438,324,669.36 : x
  2. Step 2: Convert to fraction form
    497,027,551,772.41/685,914,945,165.73 = 288,438,324,669.36/x
  3. Step 3: Cross multiply
    497,027,551,772.41x = 685,914,945,165.73 × 288,438,324,669.36
  4. Step 4: Simplify right side
    497,027,551,772.41x = 197,844,157,649,279,088,852,992
  5. Step 5: Solve for x
    x = 197,844,157,649,279,088,852,992/497,027,551,772.41
  6. Step 6: Final answer
    x = 398,054,709,329.02

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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.