Home / 436,665,537.90-655,202,847.06-215,216,157.51

Finding the Fourth Proportional to 436,665,537.90, 655,202,847.06 and 215,216,157.51

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Solution

The fourth proportional to 436,665,537.90, 655,202,847.06 and 215,216,157.51 is: 322,925,046.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,665,537.90 : 655,202,847.06 = 215,216,157.51 : x
  2. Step 2: Convert to fraction form
    436,665,537.90/655,202,847.06 = 215,216,157.51/x
  3. Step 3: Cross multiply
    436,665,537.90x = 655,202,847.06 × 215,216,157.51
  4. Step 4: Simplify right side
    436,665,537.90x = 141,010,239,133,865,376
  5. Step 5: Solve for x
    x = 141,010,239,133,865,376/436,665,537.90
  6. Step 6: Final answer
    x = 322,925,046.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.