Home / 664,871,531.52-917,613,860.48-382,608,171.52

Finding the Fourth Proportional to 664,871,531.52, 917,613,860.48 and 382,608,171.52

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Solution

The fourth proportional to 664,871,531.52, 917,613,860.48 and 382,608,171.52 is: 528,051,728.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,871,531.52 : 917,613,860.48 = 382,608,171.52 : x
  2. Step 2: Convert to fraction form
    664,871,531.52/917,613,860.48 = 382,608,171.52/x
  3. Step 3: Cross multiply
    664,871,531.52x = 917,613,860.48 × 382,608,171.52
  4. Step 4: Simplify right side
    664,871,531.52x = 351,086,561,319,661,184
  5. Step 5: Solve for x
    x = 351,086,561,319,661,184/664,871,531.52
  6. Step 6: Final answer
    x = 528,051,728.30

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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.