Home / 627,837,039.44-866,408,238.60-345,573,445.28

Finding the Fourth Proportional to 627,837,039.44, 866,408,238.60 and 345,573,445.28

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Solution

The fourth proportional to 627,837,039.44, 866,408,238.60 and 345,573,445.28 is: 476,887,569.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,837,039.44 : 866,408,238.60 = 345,573,445.28 : x
  2. Step 2: Convert to fraction form
    627,837,039.44/866,408,238.60 = 345,573,445.28/x
  3. Step 3: Cross multiply
    627,837,039.44x = 866,408,238.60 × 345,573,445.28
  4. Step 4: Simplify right side
    627,837,039.44x = 299,407,680,031,978,240
  5. Step 5: Solve for x
    x = 299,407,680,031,978,240/627,837,039.44
  6. Step 6: Final answer
    x = 476,887,569.90

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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.