Home / 377,048,408.18-520,318,646.30-218,285,261.60

Finding the Fourth Proportional to 377,048,408.18, 520,318,646.30 and 218,285,261.60

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Solution

The fourth proportional to 377,048,408.18, 520,318,646.30 and 218,285,261.60 is: 301,228,938.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,048,408.18 : 520,318,646.30 = 218,285,261.60 : x
  2. Step 2: Convert to fraction form
    377,048,408.18/520,318,646.30 = 218,285,261.60/x
  3. Step 3: Cross multiply
    377,048,408.18x = 520,318,646.30 × 218,285,261.60
  4. Step 4: Simplify right side
    377,048,408.18x = 113,577,891,822,953,376
  5. Step 5: Solve for x
    x = 113,577,891,822,953,376/377,048,408.18
  6. Step 6: Final answer
    x = 301,228,938.67

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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.