Home / 286,916,728.38-395,874,830.57-161,444,459.63

Finding the Fourth Proportional to 286,916,728.38, 395,874,830.57 and 161,444,459.63

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Solution

The fourth proportional to 286,916,728.38, 395,874,830.57 and 161,444,459.63 is: 222,753,822.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,916,728.38 : 395,874,830.57 = 161,444,459.63 : x
  2. Step 2: Convert to fraction form
    286,916,728.38/395,874,830.57 = 161,444,459.63/x
  3. Step 3: Cross multiply
    286,916,728.38x = 395,874,830.57 × 161,444,459.63
  4. Step 4: Simplify right side
    286,916,728.38x = 63,911,798,099,704,856
  5. Step 5: Solve for x
    x = 63,911,798,099,704,856/286,916,728.38
  6. Step 6: Final answer
    x = 222,753,822.90

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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.