Home / 7,145,032,682.25-10,718,770,038.60-2,945,689,923.36

Finding the Fourth Proportional to 7,145,032,682.25, 10,718,770,038.60 and 2,945,689,923.36

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Solution

The fourth proportional to 7,145,032,682.25, 10,718,770,038.60 and 2,945,689,923.36 is: 4,419,038,274.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,145,032,682.25 : 10,718,770,038.60 = 2,945,689,923.36 : x
  2. Step 2: Convert to fraction form
    7,145,032,682.25/10,718,770,038.60 = 2,945,689,923.36/x
  3. Step 3: Cross multiply
    7,145,032,682.25x = 10,718,770,038.60 × 2,945,689,923.36
  4. Step 4: Simplify right side
    7,145,032,682.25x = 31,574,172,893,517,099,008
  5. Step 5: Solve for x
    x = 31,574,172,893,517,099,008/7,145,032,682.25
  6. Step 6: Final answer
    x = 4,419,038,274.23

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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.