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Finding the Fourth Proportional to 265,018,164.64, 397,708,831.82 and 92,494,978.09

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Solution

The fourth proportional to 265,018,164.64, 397,708,831.82 and 92,494,978.09 is: 138,805,842.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,018,164.64 : 397,708,831.82 = 92,494,978.09 : x
  2. Step 2: Convert to fraction form
    265,018,164.64/397,708,831.82 = 92,494,978.09/x
  3. Step 3: Cross multiply
    265,018,164.64x = 397,708,831.82 × 92,494,978.09
  4. Step 4: Simplify right side
    265,018,164.64x = 36,786,069,685,390,392
  5. Step 5: Solve for x
    x = 36,786,069,685,390,392/265,018,164.64
  6. Step 6: Final answer
    x = 138,805,842.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.