Home / 497,027,551,769.73-685,914,945,162.09-288,438,324,666.59

Finding the Fourth Proportional to 497,027,551,769.73, 685,914,945,162.09 and 288,438,324,666.59

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Solution

The fourth proportional to 497,027,551,769.73, 685,914,945,162.09 and 288,438,324,666.59 is: 398,054,709,325.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,027,551,769.73 : 685,914,945,162.09 = 288,438,324,666.59 : x
  2. Step 2: Convert to fraction form
    497,027,551,769.73/685,914,945,162.09 = 288,438,324,666.59/x
  3. Step 3: Cross multiply
    497,027,551,769.73x = 685,914,945,162.09 × 288,438,324,666.59
  4. Step 4: Simplify right side
    497,027,551,769.73x = 197,844,157,646,329,184,518,144
  5. Step 5: Solve for x
    x = 197,844,157,646,329,184,518,144/497,027,551,769.73
  6. Step 6: Final answer
    x = 398,054,709,325.23

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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.