Home / 262,104,644.70-393,156,967.05-257,002,811.10

Finding the Fourth Proportional to 262,104,644.70, 393,156,967.05 and 257,002,811.10

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Solution

The fourth proportional to 262,104,644.70, 393,156,967.05 and 257,002,811.10 is: 385,504,216.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,104,644.70 : 393,156,967.05 = 257,002,811.10 : x
  2. Step 2: Convert to fraction form
    262,104,644.70/393,156,967.05 = 257,002,811.10/x
  3. Step 3: Cross multiply
    262,104,644.70x = 393,156,967.05 × 257,002,811.10
  4. Step 4: Simplify right side
    262,104,644.70x = 101,042,445,735,400,080
  5. Step 5: Solve for x
    x = 101,042,445,735,400,080/262,104,644.70
  6. Step 6: Final answer
    x = 385,504,216.65

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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.