Home / 298,592,385.76-412,234,248.78-265,461,123.80

Finding the Fourth Proportional to 298,592,385.76, 412,234,248.78 and 265,461,123.80

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Solution

The fourth proportional to 298,592,385.76, 412,234,248.78 and 265,461,123.80 is: 366,493,494.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,592,385.76 : 412,234,248.78 = 265,461,123.80 : x
  2. Step 2: Convert to fraction form
    298,592,385.76/412,234,248.78 = 265,461,123.80/x
  3. Step 3: Cross multiply
    298,592,385.76x = 412,234,248.78 × 265,461,123.80
  4. Step 4: Simplify right side
    298,592,385.76x = 109,432,166,949,987,584
  5. Step 5: Solve for x
    x = 109,432,166,949,987,584/298,592,385.76
  6. Step 6: Final answer
    x = 366,493,494.71

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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.