Home / 422,531,181.60-633,796,772.40-218,457,837.60

Finding the Fourth Proportional to 422,531,181.60, 633,796,772.40 and 218,457,837.60

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Solution

The fourth proportional to 422,531,181.60, 633,796,772.40 and 218,457,837.60 is: 327,686,756.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,531,181.60 : 633,796,772.40 = 218,457,837.60 : x
  2. Step 2: Convert to fraction form
    422,531,181.60/633,796,772.40 = 218,457,837.60/x
  3. Step 3: Cross multiply
    422,531,181.60x = 633,796,772.40 × 218,457,837.60
  4. Step 4: Simplify right side
    422,531,181.60x = 138,457,872,376,363,360
  5. Step 5: Solve for x
    x = 138,457,872,376,363,360/422,531,181.60
  6. Step 6: Final answer
    x = 327,686,756.40

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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.