Home / 667,580,135,170.08-921,500,218,241.80-396,917,850,341.60

Finding the Fourth Proportional to 667,580,135,170.08, 921,500,218,241.80 and 396,917,850,341.60

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Solution

The fourth proportional to 667,580,135,170.08, 921,500,218,241.80 and 396,917,850,341.60 is: 547,889,109,403.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,580,135,170.08 : 921,500,218,241.80 = 396,917,850,341.60 : x
  2. Step 2: Convert to fraction form
    667,580,135,170.08/921,500,218,241.80 = 396,917,850,341.60/x
  3. Step 3: Cross multiply
    667,580,135,170.08x = 921,500,218,241.80 × 396,917,850,341.60
  4. Step 4: Simplify right side
    667,580,135,170.08x = 365,759,885,713,850,511,654,912
  5. Step 5: Solve for x
    x = 365,759,885,713,850,511,654,912/667,580,135,170.08
  6. Step 6: Final answer
    x = 547,889,109,403.57

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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.