Home / 363,391,569.90-545,087,354.85-210,336,561.90

Finding the Fourth Proportional to 363,391,569.90, 545,087,354.85 and 210,336,561.90

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Solution

The fourth proportional to 363,391,569.90, 545,087,354.85 and 210,336,561.90 is: 315,504,842.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,391,569.90 : 545,087,354.85 = 210,336,561.90 : x
  2. Step 2: Convert to fraction form
    363,391,569.90/545,087,354.85 = 210,336,561.90/x
  3. Step 3: Cross multiply
    363,391,569.90x = 545,087,354.85 × 210,336,561.90
  4. Step 4: Simplify right side
    363,391,569.90x = 114,651,800,154,314,304
  5. Step 5: Solve for x
    x = 114,651,800,154,314,304/363,391,569.90
  6. Step 6: Final answer
    x = 315,504,842.85

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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.