Home / 687,745,006.40-1,032,040,453.80-273,149,292.80

Finding the Fourth Proportional to 687,745,006.40, 1,032,040,453.80 and 273,149,292.80

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Solution

The fourth proportional to 687,745,006.40, 1,032,040,453.80 and 273,149,292.80 is: 409,891,918.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    687,745,006.40 : 1,032,040,453.80 = 273,149,292.80 : x
  2. Step 2: Convert to fraction form
    687,745,006.40/1,032,040,453.80 = 273,149,292.80/x
  3. Step 3: Cross multiply
    687,745,006.40x = 1,032,040,453.80 × 273,149,292.80
  4. Step 4: Simplify right side
    687,745,006.40x = 281,901,120,096,461,056
  5. Step 5: Solve for x
    x = 281,901,120,096,461,056/687,745,006.40
  6. Step 6: Final answer
    x = 409,891,918.48

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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.