Home / 262,113,999.70-393,170,999.55-245,958,193.30

Finding the Fourth Proportional to 262,113,999.70, 393,170,999.55 and 245,958,193.30

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Solution

The fourth proportional to 262,113,999.70, 393,170,999.55 and 245,958,193.30 is: 368,937,289.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,113,999.70 : 393,170,999.55 = 245,958,193.30 : x
  2. Step 2: Convert to fraction form
    262,113,999.70/393,170,999.55 = 245,958,193.30/x
  3. Step 3: Cross multiply
    262,113,999.70x = 393,170,999.55 × 245,958,193.30
  4. Step 4: Simplify right side
    262,113,999.70x = 96,703,628,707,273,120
  5. Step 5: Solve for x
    x = 96,703,628,707,273,120/262,113,999.70
  6. Step 6: Final answer
    x = 368,937,289.95

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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.