Home / 7,200,283,310,690.40-9,936,398,322,578.70-3,908,031,819,043.20

Finding the Fourth Proportional to 7,200,283,310,690.40, 9,936,398,322,578.70 and 3,908,031,819,043.20

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Solution

The fourth proportional to 7,200,283,310,690.40, 9,936,398,322,578.70 and 3,908,031,819,043.20 is: 5,393,087,901,648.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,200,283,310,690.40 : 9,936,398,322,578.70 = 3,908,031,819,043.20 : x
  2. Step 2: Convert to fraction form
    7,200,283,310,690.40/9,936,398,322,578.70 = 3,908,031,819,043.20/x
  3. Step 3: Cross multiply
    7,200,283,310,690.40x = 9,936,398,322,578.70 × 3,908,031,819,043.20
  4. Step 4: Simplify right side
    7,200,283,310,690.40x = 38,831,760,811,325,040,959,160,320
  5. Step 5: Solve for x
    x = 38,831,760,811,325,040,959,160,320/7,200,283,310,690.40
  6. Step 6: Final answer
    x = 5,393,087,901,648.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.