Home / 664,872,072.98-917,614,601.07-382,608,716.18

Finding the Fourth Proportional to 664,872,072.98, 917,614,601.07 and 382,608,716.18

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Solution

The fourth proportional to 664,872,072.98, 917,614,601.07 and 382,608,716.18 is: 528,052,476.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,872,072.98 : 917,614,601.07 = 382,608,716.18 : x
  2. Step 2: Convert to fraction form
    664,872,072.98/917,614,601.07 = 382,608,716.18/x
  3. Step 3: Cross multiply
    664,872,072.98x = 917,614,601.07 × 382,608,716.18
  4. Step 4: Simplify right side
    664,872,072.98x = 351,087,344,463,415,552
  5. Step 5: Solve for x
    x = 351,087,344,463,415,552/664,872,072.98
  6. Step 6: Final answer
    x = 528,052,476.16

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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.