Home / 382,656,264.21-528,082,367.27-215,403,317.82

Finding the Fourth Proportional to 382,656,264.21, 528,082,367.27 and 215,403,317.82

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Solution

The fourth proportional to 382,656,264.21, 528,082,367.27 and 215,403,317.82 is: 297,265,992.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,656,264.21 : 528,082,367.27 = 215,403,317.82 : x
  2. Step 2: Convert to fraction form
    382,656,264.21/528,082,367.27 = 215,403,317.82/x
  3. Step 3: Cross multiply
    382,656,264.21x = 528,082,367.27 × 215,403,317.82
  4. Step 4: Simplify right side
    382,656,264.21x = 113,750,693,991,120,752
  5. Step 5: Solve for x
    x = 113,750,693,991,120,752/382,656,264.21
  6. Step 6: Final answer
    x = 297,265,992.04

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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.