Home / 657,540,512.34-907,061,883.84-406,564,676.82

Finding the Fourth Proportional to 657,540,512.34, 907,061,883.84 and 406,564,676.82

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Solution

The fourth proportional to 657,540,512.34, 907,061,883.84 and 406,564,676.82 is: 560,846,540.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,540,512.34 : 907,061,883.84 = 406,564,676.82 : x
  2. Step 2: Convert to fraction form
    657,540,512.34/907,061,883.84 = 406,564,676.82/x
  3. Step 3: Cross multiply
    657,540,512.34x = 907,061,883.84 × 406,564,676.82
  4. Step 4: Simplify right side
    657,540,512.34x = 368,779,321,659,150,016
  5. Step 5: Solve for x
    x = 368,779,321,659,150,016/657,540,512.34
  6. Step 6: Final answer
    x = 560,846,540.61

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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.