Home / 442,018,062.11-662,913,997.93-131,052,963.52

Finding the Fourth Proportional to 442,018,062.11, 662,913,997.93 and 131,052,963.52

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Solution

The fourth proportional to 442,018,062.11, 662,913,997.93 and 131,052,963.52 is: 196,545,913.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,018,062.11 : 662,913,997.93 = 131,052,963.52 : x
  2. Step 2: Convert to fraction form
    442,018,062.11/662,913,997.93 = 131,052,963.52/x
  3. Step 3: Cross multiply
    442,018,062.11x = 662,913,997.93 × 131,052,963.52
  4. Step 4: Simplify right side
    442,018,062.11x = 86,876,843,988,608,784
  5. Step 5: Solve for x
    x = 86,876,843,988,608,784/442,018,062.11
  6. Step 6: Final answer
    x = 196,545,913.92

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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.