Home / 622,229,644,818.54-858,941,303,951.07-387,700,806,664.89

Finding the Fourth Proportional to 622,229,644,818.54, 858,941,303,951.07 and 387,700,806,664.89

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Solution

The fourth proportional to 622,229,644,818.54, 858,941,303,951.07 and 387,700,806,664.89 is: 535,191,852,706.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,229,644,818.54 : 858,941,303,951.07 = 387,700,806,664.89 : x
  2. Step 2: Convert to fraction form
    622,229,644,818.54/858,941,303,951.07 = 387,700,806,664.89/x
  3. Step 3: Cross multiply
    622,229,644,818.54x = 858,941,303,951.07 × 387,700,806,664.89
  4. Step 4: Simplify right side
    622,229,644,818.54x = 333,012,236,419,622,301,073,408
  5. Step 5: Solve for x
    x = 333,012,236,419,622,301,073,408/622,229,644,818.54
  6. Step 6: Final answer
    x = 535,191,852,706.95

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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.