Home / 286,036,957,924.38-428,906,456,874.81-134,902,679,647.20

Finding the Fourth Proportional to 286,036,957,924.38, 428,906,456,874.81 and 134,902,679,647.20

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Solution

The fourth proportional to 286,036,957,924.38, 428,906,456,874.81 and 134,902,679,647.20 is: 202,283,756,512.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,036,957,924.38 : 428,906,456,874.81 = 134,902,679,647.20 : x
  2. Step 2: Convert to fraction form
    286,036,957,924.38/428,906,456,874.81 = 134,902,679,647.20/x
  3. Step 3: Cross multiply
    286,036,957,924.38x = 428,906,456,874.81 × 134,902,679,647.20
  4. Step 4: Simplify right side
    286,036,957,924.38x = 57,860,630,350,398,094,311,424
  5. Step 5: Solve for x
    x = 57,860,630,350,398,094,311,424/286,036,957,924.38
  6. Step 6: Final answer
    x = 202,283,756,512.66

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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.