Home / 528,654,397,820.30-792,980,606,965.70-165,647,852,891.12

Finding the Fourth Proportional to 528,654,397,820.30, 792,980,606,965.70 and 165,647,852,891.12

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Solution

The fourth proportional to 528,654,397,820.30, 792,980,606,965.70 and 165,647,852,891.12 is: 248,471,469,205.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,654,397,820.30 : 792,980,606,965.70 = 165,647,852,891.12 : x
  2. Step 2: Convert to fraction form
    528,654,397,820.30/792,980,606,965.70 = 165,647,852,891.12/x
  3. Step 3: Cross multiply
    528,654,397,820.30x = 792,980,606,965.70 × 165,647,852,891.12
  4. Step 4: Simplify right side
    528,654,397,820.30x = 131,355,534,928,165,306,630,144
  5. Step 5: Solve for x
    x = 131,355,534,928,165,306,630,144/528,654,397,820.30
  6. Step 6: Final answer
    x = 248,471,469,205.13

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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.