Home / 212,864,982.40-319,297,473.60-212,864,982.40

Finding the Fourth Proportional to 212,864,982.40, 319,297,473.60 and 212,864,982.40

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Solution

The fourth proportional to 212,864,982.40, 319,297,473.60 and 212,864,982.40 is: 319,297,473.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,864,982.40 : 319,297,473.60 = 212,864,982.40 : x
  2. Step 2: Convert to fraction form
    212,864,982.40/319,297,473.60 = 212,864,982.40/x
  3. Step 3: Cross multiply
    212,864,982.40x = 319,297,473.60 × 212,864,982.40
  4. Step 4: Simplify right side
    212,864,982.40x = 67,967,251,098,228,472
  5. Step 5: Solve for x
    x = 67,967,251,098,228,472/212,864,982.40
  6. Step 6: Final answer
    x = 319,297,473.60

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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.