Home / 627,659,190.51-866,177,650.69-345,434,126.06

Finding the Fourth Proportional to 627,659,190.51, 866,177,650.69 and 345,434,126.06

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Solution

The fourth proportional to 627,659,190.51, 866,177,650.69 and 345,434,126.06 is: 476,703,479.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,659,190.51 : 866,177,650.69 = 345,434,126.06 : x
  2. Step 2: Convert to fraction form
    627,659,190.51/866,177,650.69 = 345,434,126.06/x
  3. Step 3: Cross multiply
    627,659,190.51x = 866,177,650.69 × 345,434,126.06
  4. Step 4: Simplify right side
    627,659,190.51x = 299,207,319,778,804,096
  5. Step 5: Solve for x
    x = 299,207,319,778,804,096/627,659,190.51
  6. Step 6: Final answer
    x = 476,703,479.06

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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.