Home / 345,188,519.36-476,360,138.40-186,418,628.96

Finding the Fourth Proportional to 345,188,519.36, 476,360,138.40 and 186,418,628.96

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Solution

The fourth proportional to 345,188,519.36, 476,360,138.40 and 186,418,628.96 is: 257,257,698.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,188,519.36 : 476,360,138.40 = 186,418,628.96 : x
  2. Step 2: Convert to fraction form
    345,188,519.36/476,360,138.40 = 186,418,628.96/x
  3. Step 3: Cross multiply
    345,188,519.36x = 476,360,138.40 × 186,418,628.96
  4. Step 4: Simplify right side
    345,188,519.36x = 88,802,403,891,723,840
  5. Step 5: Solve for x
    x = 88,802,403,891,723,840/345,188,519.36
  6. Step 6: Final answer
    x = 257,257,698.07

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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.