Home / 381,546,174,883.30-572,488,271,409.82-199,985,858,886.30

Finding the Fourth Proportional to 381,546,174,883.30, 572,488,271,409.82 and 199,985,858,886.30

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Solution

The fourth proportional to 381,546,174,883.30, 572,488,271,409.82 and 199,985,858,886.30 is: 300,067,373,746.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,546,174,883.30 : 572,488,271,409.82 = 199,985,858,886.30 : x
  2. Step 2: Convert to fraction form
    381,546,174,883.30/572,488,271,409.82 = 199,985,858,886.30/x
  3. Step 3: Cross multiply
    381,546,174,883.30x = 572,488,271,409.82 × 199,985,858,886.30
  4. Step 4: Simplify right side
    381,546,174,883.30x = 114,489,558,660,226,064,842,752
  5. Step 5: Solve for x
    x = 114,489,558,660,226,064,842,752/381,546,174,883.30
  6. Step 6: Final answer
    x = 300,067,373,746.43

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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.