Home / 998,869,727.34-1,498,448,153.88-308,830,789.71

Finding the Fourth Proportional to 998,869,727.34, 1,498,448,153.88 and 308,830,789.71

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Solution

The fourth proportional to 998,869,727.34, 1,498,448,153.88 and 308,830,789.71 is: 463,290,571.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,869,727.34 : 1,498,448,153.88 = 308,830,789.71 : x
  2. Step 2: Convert to fraction form
    998,869,727.34/1,498,448,153.88 = 308,830,789.71/x
  3. Step 3: Cross multiply
    998,869,727.34x = 1,498,448,153.88 × 308,830,789.71
  4. Step 4: Simplify right side
    998,869,727.34x = 462,766,926,702,252,032
  5. Step 5: Solve for x
    x = 462,766,926,702,252,032/998,869,727.34
  6. Step 6: Final answer
    x = 463,290,571.37

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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.