Home / 1,392,023,961.31-1,921,029,474.26-756,981,594.31

Finding the Fourth Proportional to 1,392,023,961.31, 1,921,029,474.26 and 756,981,594.31

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Solution

The fourth proportional to 1,392,023,961.31, 1,921,029,474.26 and 756,981,594.31 is: 1,044,654,398.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,392,023,961.31 : 1,921,029,474.26 = 756,981,594.31 : x
  2. Step 2: Convert to fraction form
    1,392,023,961.31/1,921,029,474.26 = 756,981,594.31/x
  3. Step 3: Cross multiply
    1,392,023,961.31x = 1,921,029,474.26 × 756,981,594.31
  4. Step 4: Simplify right side
    1,392,023,961.31x = 1,454,183,954,141,835,776
  5. Step 5: Solve for x
    x = 1,454,183,954,141,835,776/1,392,023,961.31
  6. Step 6: Final answer
    x = 1,044,654,398.60

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Find fourth proportional to 1,392,023,962.31, 1,921,029,475.64 and 756,981,595.31
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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.