Home / 391,603,500.48-587,472,171.84-161,446,769.76

Finding the Fourth Proportional to 391,603,500.48, 587,472,171.84 and 161,446,769.76

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Solution

The fourth proportional to 391,603,500.48, 587,472,171.84 and 161,446,769.76 is: 242,197,744.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    391,603,500.48 : 587,472,171.84 = 161,446,769.76 : x
  2. Step 2: Convert to fraction form
    391,603,500.48/587,472,171.84 = 161,446,769.76/x
  3. Step 3: Cross multiply
    391,603,500.48x = 587,472,171.84 × 161,446,769.76
  4. Step 4: Simplify right side
    391,603,500.48x = 94,845,484,467,459,632
  5. Step 5: Solve for x
    x = 94,845,484,467,459,632/391,603,500.48
  6. Step 6: Final answer
    x = 242,197,744.28

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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.