Home / 262,104,645.70-393,156,968.55-257,002,812.10

Finding the Fourth Proportional to 262,104,645.70, 393,156,968.55 and 257,002,812.10

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Solution

The fourth proportional to 262,104,645.70, 393,156,968.55 and 257,002,812.10 is: 385,504,218.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,104,645.70 : 393,156,968.55 = 257,002,812.10 : x
  2. Step 2: Convert to fraction form
    262,104,645.70/393,156,968.55 = 257,002,812.10/x
  3. Step 3: Cross multiply
    262,104,645.70x = 393,156,968.55 × 257,002,812.10
  4. Step 4: Simplify right side
    262,104,645.70x = 101,042,446,514,061,264
  5. Step 5: Solve for x
    x = 101,042,446,514,061,264/262,104,645.70
  6. Step 6: Final answer
    x = 385,504,218.15

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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.