Home / 472,309,185.39-652,022,647.55-293,750,628.22

Finding the Fourth Proportional to 472,309,185.39, 652,022,647.55 and 293,750,628.22

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Solution

The fourth proportional to 472,309,185.39, 652,022,647.55 and 293,750,628.22 is: 405,522,628.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,309,185.39 : 652,022,647.55 = 293,750,628.22 : x
  2. Step 2: Convert to fraction form
    472,309,185.39/652,022,647.55 = 293,750,628.22/x
  3. Step 3: Cross multiply
    472,309,185.39x = 652,022,647.55 × 293,750,628.22
  4. Step 4: Simplify right side
    472,309,185.39x = 191,532,062,331,480,160
  5. Step 5: Solve for x
    x = 191,532,062,331,480,160/472,309,185.39
  6. Step 6: Final answer
    x = 405,522,628.52

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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.