Home / 2,640,198,942,500.80-3,960,298,413,751.20-755,785,684,004.80

Finding the Fourth Proportional to 2,640,198,942,500.80, 3,960,298,413,751.20 and 755,785,684,004.80

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Solution

The fourth proportional to 2,640,198,942,500.80, 3,960,298,413,751.20 and 755,785,684,004.80 is: 1,133,678,526,007.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,640,198,942,500.80 : 3,960,298,413,751.20 = 755,785,684,004.80 : x
  2. Step 2: Convert to fraction form
    2,640,198,942,500.80/3,960,298,413,751.20 = 755,785,684,004.80/x
  3. Step 3: Cross multiply
    2,640,198,942,500.80x = 3,960,298,413,751.20 × 755,785,684,004.80
  4. Step 4: Simplify right side
    2,640,198,942,500.80x = 2,993,136,845,500,075,441,389,568
  5. Step 5: Solve for x
    x = 2,993,136,845,500,075,441,389,568/2,640,198,942,500.80
  6. Step 6: Final answer
    x = 1,133,678,526,007.20

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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.