Home / 613,940,198,961.80-847,180,617,620.15-339,579,946,429.59

Finding the Fourth Proportional to 613,940,198,961.80, 847,180,617,620.15 and 339,579,946,429.59

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Solution

The fourth proportional to 613,940,198,961.80, 847,180,617,620.15 and 339,579,946,429.59 is: 468,588,877,604.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,940,198,961.80 : 847,180,617,620.15 = 339,579,946,429.59 : x
  2. Step 2: Convert to fraction form
    613,940,198,961.80/847,180,617,620.15 = 339,579,946,429.59/x
  3. Step 3: Cross multiply
    613,940,198,961.80x = 847,180,617,620.15 × 339,579,946,429.59
  4. Step 4: Simplify right side
    613,940,198,961.80x = 287,685,548,747,637,525,577,728
  5. Step 5: Solve for x
    x = 287,685,548,747,637,525,577,728/613,940,198,961.80
  6. Step 6: Final answer
    x = 468,588,877,604.25

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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.