Home / 584,617,620.69-806,772,293.37-320,309,627.45

Finding the Fourth Proportional to 584,617,620.69, 806,772,293.37 and 320,309,627.45

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Solution

The fourth proportional to 584,617,620.69, 806,772,293.37 and 320,309,627.45 is: 442,027,273.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,617,620.69 : 806,772,293.37 = 320,309,627.45 : x
  2. Step 2: Convert to fraction form
    584,617,620.69/806,772,293.37 = 320,309,627.45/x
  3. Step 3: Cross multiply
    584,617,620.69x = 806,772,293.37 × 320,309,627.45
  4. Step 4: Simplify right side
    584,617,620.69x = 258,416,932,722,292,928
  5. Step 5: Solve for x
    x = 258,416,932,722,292,928/584,617,620.69
  6. Step 6: Final answer
    x = 442,027,273.17

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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.