Home / 356,156,727.87-491,496,331.22-197,397,100.67

Finding the Fourth Proportional to 356,156,727.87, 491,496,331.22 and 197,397,100.67

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Solution

The fourth proportional to 356,156,727.87, 491,496,331.22 and 197,397,100.67 is: 272,408,024.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,156,727.87 : 491,496,331.22 = 197,397,100.67 : x
  2. Step 2: Convert to fraction form
    356,156,727.87/491,496,331.22 = 197,397,100.67/x
  3. Step 3: Cross multiply
    356,156,727.87x = 491,496,331.22 × 197,397,100.67
  4. Step 4: Simplify right side
    356,156,727.87x = 97,019,950,769,325,520
  5. Step 5: Solve for x
    x = 97,019,950,769,325,520/356,156,727.87
  6. Step 6: Final answer
    x = 272,408,024.83

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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.