Home / 873,171,809,996.92-1,308,586,958,428-679,568,654,843.57

Finding the Fourth Proportional to 873,171,809,996.92, 1,308,586,958,428 and 679,568,654,843.57

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Solution

The fourth proportional to 873,171,809,996.92, 1,308,586,958,428 and 679,568,654,843.57 is: 1,018,441,810,538.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,171,809,996.92 : 1,308,586,958,428 = 679,568,654,843.57 : x
  2. Step 2: Convert to fraction form
    873,171,809,996.92/1,308,586,958,428 = 679,568,654,843.57/x
  3. Step 3: Cross multiply
    873,171,809,996.92x = 1,308,586,958,428 × 679,568,654,843.57
  4. Step 4: Simplify right side
    873,171,809,996.92x = 889,274,679,084,754,516,574,208
  5. Step 5: Solve for x
    x = 889,274,679,084,754,516,574,208/873,171,809,996.92
  6. Step 6: Final answer
    x = 1,018,441,810,538.86

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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.