Home / 1,192,504,455.78-1,645,710,462.24-663,902,015.04

Finding the Fourth Proportional to 1,192,504,455.78, 1,645,710,462.24 and 663,902,015.04

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Solution

The fourth proportional to 1,192,504,455.78, 1,645,710,462.24 and 663,902,015.04 is: 916,215,018.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,192,504,455.78 : 1,645,710,462.24 = 663,902,015.04 : x
  2. Step 2: Convert to fraction form
    1,192,504,455.78/1,645,710,462.24 = 663,902,015.04/x
  3. Step 3: Cross multiply
    1,192,504,455.78x = 1,645,710,462.24 × 663,902,015.04
  4. Step 4: Simplify right side
    1,192,504,455.78x = 1,092,590,492,053,545,728
  5. Step 5: Solve for x
    x = 1,092,590,492,053,545,728/1,192,504,455.78
  6. Step 6: Final answer
    x = 916,215,018.53

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1.5x scale

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.