Home / 644,605,292.58-966,906,727.65-201,981,856.38

Finding the Fourth Proportional to 644,605,292.58, 966,906,727.65 and 201,981,856.38

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Solution

The fourth proportional to 644,605,292.58, 966,906,727.65 and 201,981,856.38 is: 302,972,405.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,605,292.58 : 966,906,727.65 = 201,981,856.38 : x
  2. Step 2: Convert to fraction form
    644,605,292.58/966,906,727.65 = 201,981,856.38/x
  3. Step 3: Cross multiply
    644,605,292.58x = 966,906,727.65 × 201,981,856.38
  4. Step 4: Simplify right side
    644,605,292.58x = 195,297,615,797,058,080
  5. Step 5: Solve for x
    x = 195,297,615,797,058,080/644,605,292.58
  6. Step 6: Final answer
    x = 302,972,405.04

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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.