Home / 363,391,571.40-545,087,357.10-210,336,563.40

Finding the Fourth Proportional to 363,391,571.40, 545,087,357.10 and 210,336,563.40

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Solution

The fourth proportional to 363,391,571.40, 545,087,357.10 and 210,336,563.40 is: 315,504,845.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,391,571.40 : 545,087,357.10 = 210,336,563.40 : x
  2. Step 2: Convert to fraction form
    363,391,571.40/545,087,357.10 = 210,336,563.40/x
  3. Step 3: Cross multiply
    363,391,571.40x = 545,087,357.10 × 210,336,563.40
  4. Step 4: Simplify right side
    363,391,571.40x = 114,651,801,445,202,592
  5. Step 5: Solve for x
    x = 114,651,801,445,202,592/363,391,571.40
  6. Step 6: Final answer
    x = 315,504,845.10

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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.