Home / 404,584,232.76-558,327,631.50-218,945,199.96

Finding the Fourth Proportional to 404,584,232.76, 558,327,631.50 and 218,945,199.96

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Solution

The fourth proportional to 404,584,232.76, 558,327,631.50 and 218,945,199.96 is: 302,145,128.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,584,232.76 : 558,327,631.50 = 218,945,199.96 : x
  2. Step 2: Convert to fraction form
    404,584,232.76/558,327,631.50 = 218,945,199.96/x
  3. Step 3: Cross multiply
    404,584,232.76x = 558,327,631.50 × 218,945,199.96
  4. Step 4: Simplify right side
    404,584,232.76x = 122,243,154,921,960,704
  5. Step 5: Solve for x
    x = 122,243,154,921,960,704/404,584,232.76
  6. Step 6: Final answer
    x = 302,145,128.32

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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.