Home / 998,908,594.20-1,498,362,891.30-981,689,905.80

Finding the Fourth Proportional to 998,908,594.20, 1,498,362,891.30 and 981,689,905.80

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Solution

The fourth proportional to 998,908,594.20, 1,498,362,891.30 and 981,689,905.80 is: 1,472,534,858.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,908,594.20 : 1,498,362,891.30 = 981,689,905.80 : x
  2. Step 2: Convert to fraction form
    998,908,594.20/1,498,362,891.30 = 981,689,905.80/x
  3. Step 3: Cross multiply
    998,908,594.20x = 1,498,362,891.30 × 981,689,905.80
  4. Step 4: Simplify right side
    998,908,594.20x = 1,470,927,725,614,512,640
  5. Step 5: Solve for x
    x = 1,470,927,725,614,512,640/998,908,594.20
  6. Step 6: Final answer
    x = 1,472,534,858.70

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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.