Home / 517,967,919.68-777,504,971.82-223,009,110.50

Finding the Fourth Proportional to 517,967,919.68, 777,504,971.82 and 223,009,110.50

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Solution

The fourth proportional to 517,967,919.68, 777,504,971.82 and 223,009,110.50 is: 334,751,797.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,967,919.68 : 777,504,971.82 = 223,009,110.50 : x
  2. Step 2: Convert to fraction form
    517,967,919.68/777,504,971.82 = 223,009,110.50/x
  3. Step 3: Cross multiply
    517,967,919.68x = 777,504,971.82 × 223,009,110.50
  4. Step 4: Simplify right side
    517,967,919.68x = 173,390,692,174,905,792
  5. Step 5: Solve for x
    x = 173,390,692,174,905,792/517,967,919.68
  6. Step 6: Final answer
    x = 334,751,797.53

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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.