Home / 382,656,243.96-528,082,339.25-215,403,297.57

Finding the Fourth Proportional to 382,656,243.96, 528,082,339.25 and 215,403,297.57

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Solution

The fourth proportional to 382,656,243.96, 528,082,339.25 and 215,403,297.57 is: 297,265,964.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,656,243.96 : 528,082,339.25 = 215,403,297.57 : x
  2. Step 2: Convert to fraction form
    382,656,243.96/528,082,339.25 = 215,403,297.57/x
  3. Step 3: Cross multiply
    382,656,243.96x = 528,082,339.25 × 215,403,297.57
  4. Step 4: Simplify right side
    382,656,243.96x = 113,750,677,263,467,952
  5. Step 5: Solve for x
    x = 113,750,677,263,467,952/382,656,243.96
  6. Step 6: Final answer
    x = 297,265,964.06

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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.