Home / 690,682,715,026.38-953,078,182,689.66-382,027,430,956.26

Finding the Fourth Proportional to 690,682,715,026.38, 953,078,182,689.66 and 382,027,430,956.26

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Solution

The fourth proportional to 690,682,715,026.38, 953,078,182,689.66 and 382,027,430,956.26 is: 527,162,475,203.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,682,715,026.38 : 953,078,182,689.66 = 382,027,430,956.26 : x
  2. Step 2: Convert to fraction form
    690,682,715,026.38/953,078,182,689.66 = 382,027,430,956.26/x
  3. Step 3: Cross multiply
    690,682,715,026.38x = 953,078,182,689.66 × 382,027,430,956.26
  4. Step 4: Simplify right side
    690,682,715,026.38x = 364,102,009,633,391,840,854,016
  5. Step 5: Solve for x
    x = 364,102,009,633,391,840,854,016/690,682,715,026.38
  6. Step 6: Final answer
    x = 527,162,475,203.23

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Double scale
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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.