Home / 284,501,905.40-427,071,722.70-220,091,256.20

Finding the Fourth Proportional to 284,501,905.40, 427,071,722.70 and 220,091,256.20

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Solution

The fourth proportional to 284,501,905.40, 427,071,722.70 and 220,091,256.20 is: 330,383,558.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,501,905.40 : 427,071,722.70 = 220,091,256.20 : x
  2. Step 2: Convert to fraction form
    284,501,905.40/427,071,722.70 = 220,091,256.20/x
  3. Step 3: Cross multiply
    284,501,905.40x = 427,071,722.70 × 220,091,256.20
  4. Step 4: Simplify right side
    284,501,905.40x = 93,994,751,936,541,056
  5. Step 5: Solve for x
    x = 93,994,751,936,541,056/284,501,905.40
  6. Step 6: Final answer
    x = 330,383,558.61

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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.