Home / 377,242,098.55-520,594,120.00-209,974,758.96

Finding the Fourth Proportional to 377,242,098.55, 520,594,120.00 and 209,974,758.96

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Solution

The fourth proportional to 377,242,098.55, 520,594,120.00 and 209,974,758.96 is: 289,765,180.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,242,098.55 : 520,594,120.00 = 209,974,758.96 : x
  2. Step 2: Convert to fraction form
    377,242,098.55/520,594,120.00 = 209,974,758.96/x
  3. Step 3: Cross multiply
    377,242,098.55x = 520,594,120.00 × 209,974,758.96
  4. Step 4: Simplify right side
    377,242,098.55x = 109,311,624,864,473,984
  5. Step 5: Solve for x
    x = 109,311,624,864,473,984/377,242,098.55
  6. Step 6: Final answer
    x = 289,765,180.73

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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.