Home / 952,978,289.05-1,315,141,972.82-529,609,791.43

Finding the Fourth Proportional to 952,978,289.05, 1,315,141,972.82 and 529,609,791.43

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Solution

The fourth proportional to 952,978,289.05, 1,315,141,972.82 and 529,609,791.43 is: 730,879,259.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    952,978,289.05 : 1,315,141,972.82 = 529,609,791.43 : x
  2. Step 2: Convert to fraction form
    952,978,289.05/1,315,141,972.82 = 529,609,791.43/x
  3. Step 3: Cross multiply
    952,978,289.05x = 1,315,141,972.82 × 529,609,791.43
  4. Step 4: Simplify right side
    952,978,289.05x = 696,512,065,926,038,912
  5. Step 5: Solve for x
    x = 696,512,065,926,038,912/952,978,289.05
  6. Step 6: Final answer
    x = 730,879,259.19

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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.