Home / 387,072,000.30-580,608,000.45-216,848,793.90

Finding the Fourth Proportional to 387,072,000.30, 580,608,000.45 and 216,848,793.90

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Solution

The fourth proportional to 387,072,000.30, 580,608,000.45 and 216,848,793.90 is: 325,273,190.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,072,000.30 : 580,608,000.45 = 216,848,793.90 : x
  2. Step 2: Convert to fraction form
    387,072,000.30/580,608,000.45 = 216,848,793.90/x
  3. Step 3: Cross multiply
    387,072,000.30x = 580,608,000.45 × 216,848,793.90
  4. Step 4: Simplify right side
    387,072,000.30x = 125,904,144,626,273,168
  5. Step 5: Solve for x
    x = 125,904,144,626,273,168/387,072,000.30
  6. Step 6: Final answer
    x = 325,273,190.85

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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.