Home / 1,319,532,493.32-1,820,848,647.06-762,651,609.48

Finding the Fourth Proportional to 1,319,532,493.32, 1,820,848,647.06 and 762,651,609.48

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Solution

The fourth proportional to 1,319,532,493.32, 1,820,848,647.06 and 762,651,609.48 is: 1,052,397,844.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,319,532,493.32 : 1,820,848,647.06 = 762,651,609.48 : x
  2. Step 2: Convert to fraction form
    1,319,532,493.32/1,820,848,647.06 = 762,651,609.48/x
  3. Step 3: Cross multiply
    1,319,532,493.32x = 1,820,848,647.06 × 762,651,609.48
  4. Step 4: Simplify right side
    1,319,532,493.32x = 1,388,673,151,299,789,568
  5. Step 5: Solve for x
    x = 1,388,673,151,299,789,568/1,319,532,493.32
  6. Step 6: Final answer
    x = 1,052,397,844.18

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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.