Home / 998,869,739.34-1,498,448,171.88-308,830,801.74

Finding the Fourth Proportional to 998,869,739.34, 1,498,448,171.88 and 308,830,801.74

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Solution

The fourth proportional to 998,869,739.34, 1,498,448,171.88 and 308,830,801.74 is: 463,290,589.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,869,739.34 : 1,498,448,171.88 = 308,830,801.74 : x
  2. Step 2: Convert to fraction form
    998,869,739.34/1,498,448,171.88 = 308,830,801.74/x
  3. Step 3: Cross multiply
    998,869,739.34x = 1,498,448,171.88 × 308,830,801.74
  4. Step 4: Simplify right side
    998,869,739.34x = 462,766,950,287,537,792
  5. Step 5: Solve for x
    x = 462,766,950,287,537,792/998,869,739.34
  6. Step 6: Final answer
    x = 463,290,589.41

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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.