Home / 613,789,314.09-920,829,176.31-199,265,334.09

Finding the Fourth Proportional to 613,789,314.09, 920,829,176.31 and 199,265,334.09

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Solution

The fourth proportional to 613,789,314.09, 920,829,176.31 and 199,265,334.09 is: 298,945,141.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,789,314.09 : 920,829,176.31 = 199,265,334.09 : x
  2. Step 2: Convert to fraction form
    613,789,314.09/920,829,176.31 = 199,265,334.09/x
  3. Step 3: Cross multiply
    613,789,314.09x = 920,829,176.31 × 199,265,334.09
  4. Step 4: Simplify right side
    613,789,314.09x = 183,489,333,457,231,648
  5. Step 5: Solve for x
    x = 183,489,333,457,231,648/613,789,314.09
  6. Step 6: Final answer
    x = 298,945,141.67

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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.