Home / 622,229,644,819.04-858,941,303,951.76-387,700,806,665.39

Finding the Fourth Proportional to 622,229,644,819.04, 858,941,303,951.76 and 387,700,806,665.39

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Solution

The fourth proportional to 622,229,644,819.04, 858,941,303,951.76 and 387,700,806,665.39 is: 535,191,852,707.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,229,644,819.04 : 858,941,303,951.76 = 387,700,806,665.39 : x
  2. Step 2: Convert to fraction form
    622,229,644,819.04/858,941,303,951.76 = 387,700,806,665.39/x
  3. Step 3: Cross multiply
    622,229,644,819.04x = 858,941,303,951.76 × 387,700,806,665.39
  4. Step 4: Simplify right side
    622,229,644,819.04x = 333,012,236,420,319,293,734,912
  5. Step 5: Solve for x
    x = 333,012,236,420,319,293,734,912/622,229,644,819.04
  6. Step 6: Final answer
    x = 535,191,852,707.64

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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.