Home / 547,869,513.20-821,792,756.11-133,348,647.11

Finding the Fourth Proportional to 547,869,513.20, 821,792,756.11 and 133,348,647.11

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Solution

The fourth proportional to 547,869,513.20, 821,792,756.11 and 133,348,647.11 is: 200,020,168.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,869,513.20 : 821,792,756.11 = 133,348,647.11 : x
  2. Step 2: Convert to fraction form
    547,869,513.20/821,792,756.11 = 133,348,647.11/x
  3. Step 3: Cross multiply
    547,869,513.20x = 821,792,756.11 × 133,348,647.11
  4. Step 4: Simplify right side
    547,869,513.20x = 109,584,952,231,678,640
  5. Step 5: Solve for x
    x = 109,584,952,231,678,640/547,869,513.20
  6. Step 6: Final answer
    x = 200,020,168.29

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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.