Home / 906,994,556,393.94-1,251,690,513,297.30-521,619,203,138.54

Finding the Fourth Proportional to 906,994,556,393.94, 1,251,690,513,297.30 and 521,619,203,138.54

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Solution

The fourth proportional to 906,994,556,393.94, 1,251,690,513,297.30 and 521,619,203,138.54 is: 719,856,369,059.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,994,556,393.94 : 1,251,690,513,297.30 = 521,619,203,138.54 : x
  2. Step 2: Convert to fraction form
    906,994,556,393.94/1,251,690,513,297.30 = 521,619,203,138.54/x
  3. Step 3: Cross multiply
    906,994,556,393.94x = 1,251,690,513,297.30 × 521,619,203,138.54
  4. Step 4: Simplify right side
    906,994,556,393.94x = 652,905,808,122,207,749,013,504
  5. Step 5: Solve for x
    x = 652,905,808,122,207,749,013,504/906,994,556,393.94
  6. Step 6: Final answer
    x = 719,856,369,059.21

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Double scale
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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.