Home / 422,440,804.20-633,773,180.70-149,783,140.20

Finding the Fourth Proportional to 422,440,804.20, 633,773,180.70 and 149,783,140.20

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Solution

The fourth proportional to 422,440,804.20, 633,773,180.70 and 149,783,140.20 is: 224,714,412.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,440,804.20 : 633,773,180.70 = 149,783,140.20 : x
  2. Step 2: Convert to fraction form
    422,440,804.20/633,773,180.70 = 149,783,140.20/x
  3. Step 3: Cross multiply
    422,440,804.20x = 633,773,180.70 × 149,783,140.20
  4. Step 4: Simplify right side
    422,440,804.20x = 94,928,537,179,788,032
  5. Step 5: Solve for x
    x = 94,928,537,179,788,032/422,440,804.20
  6. Step 6: Final answer
    x = 224,714,412.61

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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.