Home / 449,068,981.60-673,603,472.40-393,529,679.20

Finding the Fourth Proportional to 449,068,981.60, 673,603,472.40 and 393,529,679.20

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Solution

The fourth proportional to 449,068,981.60, 673,603,472.40 and 393,529,679.20 is: 590,294,518.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,068,981.60 : 673,603,472.40 = 393,529,679.20 : x
  2. Step 2: Convert to fraction form
    449,068,981.60/673,603,472.40 = 393,529,679.20/x
  3. Step 3: Cross multiply
    449,068,981.60x = 673,603,472.40 × 393,529,679.20
  4. Step 4: Simplify right side
    449,068,981.60x = 265,082,958,401,578,048
  5. Step 5: Solve for x
    x = 265,082,958,401,578,048/449,068,981.60
  6. Step 6: Final answer
    x = 590,294,518.80

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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.