Home / 425,372,003.70-638,058,005.55-425,372,003.70

Finding the Fourth Proportional to 425,372,003.70, 638,058,005.55 and 425,372,003.70

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Solution

The fourth proportional to 425,372,003.70, 638,058,005.55 and 425,372,003.70 is: 638,058,005.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,372,003.70 : 638,058,005.55 = 425,372,003.70 : x
  2. Step 2: Convert to fraction form
    425,372,003.70/638,058,005.55 = 425,372,003.70/x
  3. Step 3: Cross multiply
    425,372,003.70x = 638,058,005.55 × 425,372,003.70
  4. Step 4: Simplify right side
    425,372,003.70x = 271,412,012,297,629,184
  5. Step 5: Solve for x
    x = 271,412,012,297,629,184/425,372,003.70
  6. Step 6: Final answer
    x = 638,058,005.55

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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.