Home / 340,864,998.40-511,297,497.60-284,177,958.40

Finding the Fourth Proportional to 340,864,998.40, 511,297,497.60 and 284,177,958.40

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Solution

The fourth proportional to 340,864,998.40, 511,297,497.60 and 284,177,958.40 is: 426,266,937.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,864,998.40 : 511,297,497.60 = 284,177,958.40 : x
  2. Step 2: Convert to fraction form
    340,864,998.40/511,297,497.60 = 284,177,958.40/x
  3. Step 3: Cross multiply
    340,864,998.40x = 511,297,497.60 × 284,177,958.40
  4. Step 4: Simplify right side
    340,864,998.40x = 145,299,479,002,996,896
  5. Step 5: Solve for x
    x = 145,299,479,002,996,896/340,864,998.40
  6. Step 6: Final answer
    x = 426,266,937.60

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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.