Home / 528,654,397,820.31-792,980,606,965.73-165,647,852,891.13

Finding the Fourth Proportional to 528,654,397,820.31, 792,980,606,965.73 and 165,647,852,891.13

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Solution

The fourth proportional to 528,654,397,820.31, 792,980,606,965.73 and 165,647,852,891.13 is: 248,471,469,205.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,654,397,820.31 : 792,980,606,965.73 = 165,647,852,891.13 : x
  2. Step 2: Convert to fraction form
    528,654,397,820.31/792,980,606,965.73 = 165,647,852,891.13/x
  3. Step 3: Cross multiply
    528,654,397,820.31x = 792,980,606,965.73 × 165,647,852,891.13
  4. Step 4: Simplify right side
    528,654,397,820.31x = 131,355,534,928,178,225,086,464
  5. Step 5: Solve for x
    x = 131,355,534,928,178,225,086,464/528,654,397,820.31
  6. Step 6: Final answer
    x = 248,471,469,205.15

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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.