Home / 584,426,584.47-806,479,917.87-320,109,753.02

Finding the Fourth Proportional to 584,426,584.47, 806,479,917.87 and 320,109,753.02

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Solution

The fourth proportional to 584,426,584.47, 806,479,917.87 and 320,109,753.02 is: 441,735,701.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,426,584.47 : 806,479,917.87 = 320,109,753.02 : x
  2. Step 2: Convert to fraction form
    584,426,584.47/806,479,917.87 = 320,109,753.02/x
  3. Step 3: Cross multiply
    584,426,584.47x = 806,479,917.87 × 320,109,753.02
  4. Step 4: Simplify right side
    584,426,584.47x = 258,162,087,320,923,168
  5. Step 5: Solve for x
    x = 258,162,087,320,923,168/584,426,584.47
  6. Step 6: Final answer
    x = 441,735,701.59

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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.