Home / 382,401,282,177.51-527,760,043,990.98-217,642,859,882.07

Finding the Fourth Proportional to 382,401,282,177.51, 527,760,043,990.98 and 217,642,859,882.07

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Solution

The fourth proportional to 382,401,282,177.51, 527,760,043,990.98 and 217,642,859,882.07 is: 300,373,483,717.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,401,282,177.51 : 527,760,043,990.98 = 217,642,859,882.07 : x
  2. Step 2: Convert to fraction form
    382,401,282,177.51/527,760,043,990.98 = 217,642,859,882.07/x
  3. Step 3: Cross multiply
    382,401,282,177.51x = 527,760,043,990.98 × 217,642,859,882.07
  4. Step 4: Simplify right side
    382,401,282,177.51x = 114,863,205,305,683,957,252,096
  5. Step 5: Solve for x
    x = 114,863,205,305,683,957,252,096/382,401,282,177.51
  6. Step 6: Final answer
    x = 300,373,483,717.47

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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.