Home / 497,918,346.67-687,187,571.73-283,389,150.97

Finding the Fourth Proportional to 497,918,346.67, 687,187,571.73 and 283,389,150.97

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Solution

The fourth proportional to 497,918,346.67, 687,187,571.73 and 283,389,150.97 is: 391,111,321.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,918,346.67 : 687,187,571.73 = 283,389,150.97 : x
  2. Step 2: Convert to fraction form
    497,918,346.67/687,187,571.73 = 283,389,150.97/x
  3. Step 3: Cross multiply
    497,918,346.67x = 687,187,571.73 × 283,389,150.97
  4. Step 4: Simplify right side
    497,918,346.67x = 194,741,502,509,700,704
  5. Step 5: Solve for x
    x = 194,741,502,509,700,704/497,918,346.67
  6. Step 6: Final answer
    x = 391,111,321.39

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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.