Home / 403,590,289.50-556,954,593.93-217,951,299.72

Finding the Fourth Proportional to 403,590,289.50, 556,954,593.93 and 217,951,299.72

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Solution

The fourth proportional to 403,590,289.50, 556,954,593.93 and 217,951,299.72 is: 300,772,790.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,590,289.50 : 556,954,593.93 = 217,951,299.72 : x
  2. Step 2: Convert to fraction form
    403,590,289.50/556,954,593.93 = 217,951,299.72/x
  3. Step 3: Cross multiply
    403,590,289.50x = 556,954,593.93 × 217,951,299.72
  4. Step 4: Simplify right side
    403,590,289.50x = 121,388,977,632,068,304
  5. Step 5: Solve for x
    x = 121,388,977,632,068,304/403,590,289.50
  6. Step 6: Final answer
    x = 300,772,790.60

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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.