Home / 298,592,375.72-412,234,234.95-265,461,113.78

Finding the Fourth Proportional to 298,592,375.72, 412,234,234.95 and 265,461,113.78

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Solution

The fourth proportional to 298,592,375.72, 412,234,234.95 and 265,461,113.78 is: 366,493,480.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,592,375.72 : 412,234,234.95 = 265,461,113.78 : x
  2. Step 2: Convert to fraction form
    298,592,375.72/412,234,234.95 = 265,461,113.78/x
  3. Step 3: Cross multiply
    298,592,375.72x = 412,234,234.95 × 265,461,113.78
  4. Step 4: Simplify right side
    298,592,375.72x = 109,432,159,149,140,448
  5. Step 5: Solve for x
    x = 109,432,159,149,140,448/298,592,375.72
  6. Step 6: Final answer
    x = 366,493,480.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.