Home / 919,908,667.80-1,379,863,001.70-552,576,648.60

Finding the Fourth Proportional to 919,908,667.80, 1,379,863,001.70 and 552,576,648.60

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Solution

The fourth proportional to 919,908,667.80, 1,379,863,001.70 and 552,576,648.60 is: 828,864,972.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,908,667.80 : 1,379,863,001.70 = 552,576,648.60 : x
  2. Step 2: Convert to fraction form
    919,908,667.80/1,379,863,001.70 = 552,576,648.60/x
  3. Step 3: Cross multiply
    919,908,667.80x = 1,379,863,001.70 × 552,576,648.60
  4. Step 4: Simplify right side
    919,908,667.80x = 762,480,073,006,522,112
  5. Step 5: Solve for x
    x = 762,480,073,006,522,112/919,908,667.80
  6. Step 6: Final answer
    x = 828,864,972.90

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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.