Home / 403,590,416.73-556,954,769.98-217,951,416.01

Finding the Fourth Proportional to 403,590,416.73, 556,954,769.98 and 217,951,416.01

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Solution

The fourth proportional to 403,590,416.73, 556,954,769.98 and 217,951,416.01 is: 300,772,951.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,590,416.73 : 556,954,769.98 = 217,951,416.01 : x
  2. Step 2: Convert to fraction form
    403,590,416.73/556,954,769.98 = 217,951,416.01/x
  3. Step 3: Cross multiply
    403,590,416.73x = 556,954,769.98 × 217,951,416.01
  4. Step 4: Simplify right side
    403,590,416.73x = 121,389,080,770,664,832
  5. Step 5: Solve for x
    x = 121,389,080,770,664,832/403,590,416.73
  6. Step 6: Final answer
    x = 300,772,951.34

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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.