Home / 2,640,198,929,892.30-3,960,298,394,838.40-755,785,671,396.30

Finding the Fourth Proportional to 2,640,198,929,892.30, 3,960,298,394,838.40 and 755,785,671,396.30

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Solution

The fourth proportional to 2,640,198,929,892.30, 3,960,298,394,838.40 and 755,785,671,396.30 is: 1,133,678,507,094.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,640,198,929,892.30 : 3,960,298,394,838.40 = 755,785,671,396.30 : x
  2. Step 2: Convert to fraction form
    2,640,198,929,892.30/3,960,298,394,838.40 = 755,785,671,396.30/x
  3. Step 3: Cross multiply
    2,640,198,929,892.30x = 3,960,298,394,838.40 × 755,785,671,396.30
  4. Step 4: Simplify right side
    2,640,198,929,892.30x = 2,993,136,781,272,629,301,477,376
  5. Step 5: Solve for x
    x = 2,993,136,781,272,629,301,477,376/2,640,198,929,892.30
  6. Step 6: Final answer
    x = 1,133,678,507,094.44

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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.