Home / 363,391,568.40-545,087,352.60-210,336,560.40

Finding the Fourth Proportional to 363,391,568.40, 545,087,352.60 and 210,336,560.40

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Solution

The fourth proportional to 363,391,568.40, 545,087,352.60 and 210,336,560.40 is: 315,504,840.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,391,568.40 : 545,087,352.60 = 210,336,560.40 : x
  2. Step 2: Convert to fraction form
    363,391,568.40/545,087,352.60 = 210,336,560.40/x
  3. Step 3: Cross multiply
    363,391,568.40x = 545,087,352.60 × 210,336,560.40
  4. Step 4: Simplify right side
    363,391,568.40x = 114,651,798,863,426,000
  5. Step 5: Solve for x
    x = 114,651,798,863,426,000/363,391,568.40
  6. Step 6: Final answer
    x = 315,504,840.60

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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.