Home / 618,224,018.80-927,336,028.20-331,569,554.80

Finding the Fourth Proportional to 618,224,018.80, 927,336,028.20 and 331,569,554.80

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Solution

The fourth proportional to 618,224,018.80, 927,336,028.20 and 331,569,554.80 is: 497,354,332.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,224,018.80 : 927,336,028.20 = 331,569,554.80 : x
  2. Step 2: Convert to fraction form
    618,224,018.80/927,336,028.20 = 331,569,554.80/x
  3. Step 3: Cross multiply
    618,224,018.80x = 927,336,028.20 × 331,569,554.80
  4. Step 4: Simplify right side
    618,224,018.80x = 307,476,394,020,274,304
  5. Step 5: Solve for x
    x = 307,476,394,020,274,304/618,224,018.80
  6. Step 6: Final answer
    x = 497,354,332.20

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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.