Home / 426,216,267-588,178,448.94-230,645,979

Finding the Fourth Proportional to 426,216,267, 588,178,448.94 and 230,645,979

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Solution

The fourth proportional to 426,216,267, 588,178,448.94 and 230,645,979 is: 318,291,451.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,216,267 : 588,178,448.94 = 230,645,979 : x
  2. Step 2: Convert to fraction form
    426,216,267/588,178,448.94 = 230,645,979/x
  3. Step 3: Cross multiply
    426,216,267x = 588,178,448.94 × 230,645,979
  4. Step 4: Simplify right side
    426,216,267x = 135,660,994,182,467,824
  5. Step 5: Solve for x
    x = 135,660,994,182,467,824/426,216,267
  6. Step 6: Final answer
    x = 318,291,451.28

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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.