Home / 692,029,497.74-954,897,974.14-420,308,571.44

Finding the Fourth Proportional to 692,029,497.74, 954,897,974.14 and 420,308,571.44

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Solution

The fourth proportional to 692,029,497.74, 954,897,974.14 and 420,308,571.44 is: 579,963,433.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,029,497.74 : 954,897,974.14 = 420,308,571.44 : x
  2. Step 2: Convert to fraction form
    692,029,497.74/954,897,974.14 = 420,308,571.44/x
  3. Step 3: Cross multiply
    692,029,497.74x = 954,897,974.14 × 420,308,571.44
  4. Step 4: Simplify right side
    692,029,497.74x = 401,351,803,384,646,080
  5. Step 5: Solve for x
    x = 401,351,803,384,646,080/692,029,497.74
  6. Step 6: Final answer
    x = 579,963,433.20

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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.