Home / 422,607,415-582,951,151.38-265,726,148.44

Finding the Fourth Proportional to 422,607,415, 582,951,151.38 and 265,726,148.44

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Solution

The fourth proportional to 422,607,415, 582,951,151.38 and 265,726,148.44 is: 366,546,725.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,607,415 : 582,951,151.38 = 265,726,148.44 : x
  2. Step 2: Convert to fraction form
    422,607,415/582,951,151.38 = 265,726,148.44/x
  3. Step 3: Cross multiply
    422,607,415x = 582,951,151.38 × 265,726,148.44
  4. Step 4: Simplify right side
    422,607,415x = 154,905,364,184,870,784
  5. Step 5: Solve for x
    x = 154,905,364,184,870,784/422,607,415
  6. Step 6: Final answer
    x = 366,546,725.61

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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.