Home / 425,170,003.80-637,755,005.70-322,377,504.60

Finding the Fourth Proportional to 425,170,003.80, 637,755,005.70 and 322,377,504.60

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Solution

The fourth proportional to 425,170,003.80, 637,755,005.70 and 322,377,504.60 is: 483,566,256.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,170,003.80 : 637,755,005.70 = 322,377,504.60 : x
  2. Step 2: Convert to fraction form
    425,170,003.80/637,755,005.70 = 322,377,504.60/x
  3. Step 3: Cross multiply
    425,170,003.80x = 637,755,005.70 × 322,377,504.60
  4. Step 4: Simplify right side
    425,170,003.80x = 205,597,867,283,724,800
  5. Step 5: Solve for x
    x = 205,597,867,283,724,800/425,170,003.80
  6. Step 6: Final answer
    x = 483,566,256.90

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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.