Home / 71,747,650,939.04-99,009,840,019.92-39,632,321,889.44

Finding the Fourth Proportional to 71,747,650,939.04, 99,009,840,019.92 and 39,632,321,889.44

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Solution

The fourth proportional to 71,747,650,939.04, 99,009,840,019.92 and 39,632,321,889.44 is: 54,691,544,580.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,747,650,939.04 : 99,009,840,019.92 = 39,632,321,889.44 : x
  2. Step 2: Convert to fraction form
    71,747,650,939.04/99,009,840,019.92 = 39,632,321,889.44/x
  3. Step 3: Cross multiply
    71,747,650,939.04x = 99,009,840,019.92 × 39,632,321,889.44
  4. Step 4: Simplify right side
    71,747,650,939.04x = 3,923,989,849,891,428,368,384
  5. Step 5: Solve for x
    x = 3,923,989,849,891,428,368,384/71,747,650,939.04
  6. Step 6: Final answer
    x = 54,691,544,580.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.