Home / 952,978,288.05-1,315,141,971.44-529,609,790.43

Finding the Fourth Proportional to 952,978,288.05, 1,315,141,971.44 and 529,609,790.43

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Solution

The fourth proportional to 952,978,288.05, 1,315,141,971.44 and 529,609,790.43 is: 730,879,257.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    952,978,288.05 : 1,315,141,971.44 = 529,609,790.43 : x
  2. Step 2: Convert to fraction form
    952,978,288.05/1,315,141,971.44 = 529,609,790.43/x
  3. Step 3: Cross multiply
    952,978,288.05x = 1,315,141,971.44 × 529,609,790.43
  4. Step 4: Simplify right side
    952,978,288.05x = 696,512,063,877,387,392
  5. Step 5: Solve for x
    x = 696,512,063,877,387,392/952,978,288.05
  6. Step 6: Final answer
    x = 730,879,257.81

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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.