Home / 415,206,800.10-622,810,200.15-242,594,763.30

Finding the Fourth Proportional to 415,206,800.10, 622,810,200.15 and 242,594,763.30

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Solution

The fourth proportional to 415,206,800.10, 622,810,200.15 and 242,594,763.30 is: 363,892,144.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,206,800.10 : 622,810,200.15 = 242,594,763.30 : x
  2. Step 2: Convert to fraction form
    415,206,800.10/622,810,200.15 = 242,594,763.30/x
  3. Step 3: Cross multiply
    415,206,800.10x = 622,810,200.15 × 242,594,763.30
  4. Step 4: Simplify right side
    415,206,800.10x = 151,090,493,086,214,880
  5. Step 5: Solve for x
    x = 151,090,493,086,214,880/415,206,800.10
  6. Step 6: Final answer
    x = 363,892,144.95

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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.