Home / 919,908,600.30-1,379,862,900.45-552,576,581.10

Finding the Fourth Proportional to 919,908,600.30, 1,379,862,900.45 and 552,576,581.10

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Solution

The fourth proportional to 919,908,600.30, 1,379,862,900.45 and 552,576,581.10 is: 828,864,871.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,908,600.30 : 1,379,862,900.45 = 552,576,581.10 : x
  2. Step 2: Convert to fraction form
    919,908,600.30/1,379,862,900.45 = 552,576,581.10/x
  3. Step 3: Cross multiply
    919,908,600.30x = 1,379,862,900.45 × 552,576,581.10
  4. Step 4: Simplify right side
    919,908,600.30x = 762,479,923,917,390,720
  5. Step 5: Solve for x
    x = 762,479,923,917,390,720/919,908,600.30
  6. Step 6: Final answer
    x = 828,864,871.65

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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.