Home / 619,431,301.78-929,146,952.49-231,284,444.38

Finding the Fourth Proportional to 619,431,301.78, 929,146,952.49 and 231,284,444.38

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Solution

The fourth proportional to 619,431,301.78, 929,146,952.49 and 231,284,444.38 is: 346,926,666.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,431,301.78 : 929,146,952.49 = 231,284,444.38 : x
  2. Step 2: Convert to fraction form
    619,431,301.78/929,146,952.49 = 231,284,444.38/x
  3. Step 3: Cross multiply
    619,431,301.78x = 929,146,952.49 × 231,284,444.38
  4. Step 4: Simplify right side
    619,431,301.78x = 214,897,236,654,019,904
  5. Step 5: Solve for x
    x = 214,897,236,654,019,904/619,431,301.78
  6. Step 6: Final answer
    x = 346,926,666.50

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1.5x scale

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.