Home / 284,501,905.90-427,071,723.45-220,091,256.70

Finding the Fourth Proportional to 284,501,905.90, 427,071,723.45 and 220,091,256.70

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Solution

The fourth proportional to 284,501,905.90, 427,071,723.45 and 220,091,256.70 is: 330,383,559.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,501,905.90 : 427,071,723.45 = 220,091,256.70 : x
  2. Step 2: Convert to fraction form
    284,501,905.90/427,071,723.45 = 220,091,256.70/x
  3. Step 3: Cross multiply
    284,501,905.90x = 427,071,723.45 × 220,091,256.70
  4. Step 4: Simplify right side
    284,501,905.90x = 93,994,752,315,145,344
  5. Step 5: Solve for x
    x = 93,994,752,315,145,344/284,501,905.90
  6. Step 6: Final answer
    x = 330,383,559.36

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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.