Home / 862,320,548.12-1,293,491,086.61-240,497,946.82

Finding the Fourth Proportional to 862,320,548.12, 1,293,491,086.61 and 240,497,946.82

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Solution

The fourth proportional to 862,320,548.12, 1,293,491,086.61 and 240,497,946.82 is: 360,749,782.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,320,548.12 : 1,293,491,086.61 = 240,497,946.82 : x
  2. Step 2: Convert to fraction form
    862,320,548.12/1,293,491,086.61 = 240,497,946.82/x
  3. Step 3: Cross multiply
    862,320,548.12x = 1,293,491,086.61 × 240,497,946.82
  4. Step 4: Simplify right side
    862,320,548.12x = 311,081,950,555,991,360
  5. Step 5: Solve for x
    x = 311,081,950,555,991,360/862,320,548.12
  6. Step 6: Final answer
    x = 360,749,782.94

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1.5x scale

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.