Home / 2,640,198,929,905.80-3,960,298,394,858.70-755,785,671,409.80

Finding the Fourth Proportional to 2,640,198,929,905.80, 3,960,298,394,858.70 and 755,785,671,409.80

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Solution

The fourth proportional to 2,640,198,929,905.80, 3,960,298,394,858.70 and 755,785,671,409.80 is: 1,133,678,507,114.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,640,198,929,905.80 : 3,960,298,394,858.70 = 755,785,671,409.80 : x
  2. Step 2: Convert to fraction form
    2,640,198,929,905.80/3,960,298,394,858.70 = 755,785,671,409.80/x
  3. Step 3: Cross multiply
    2,640,198,929,905.80x = 3,960,298,394,858.70 × 755,785,671,409.80
  4. Step 4: Simplify right side
    2,640,198,929,905.80x = 2,993,136,781,341,436,288,172,032
  5. Step 5: Solve for x
    x = 2,993,136,781,341,436,288,172,032/2,640,198,929,905.80
  6. Step 6: Final answer
    x = 1,133,678,507,114.70

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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.