Home / 426,990,109.66-589,241,994.87-238,817,954.32

Finding the Fourth Proportional to 426,990,109.66, 589,241,994.87 and 238,817,954.32

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Solution

The fourth proportional to 426,990,109.66, 589,241,994.87 and 238,817,954.32 is: 329,566,340.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,990,109.66 : 589,241,994.87 = 238,817,954.32 : x
  2. Step 2: Convert to fraction form
    426,990,109.66/589,241,994.87 = 238,817,954.32/x
  3. Step 3: Cross multiply
    426,990,109.66x = 589,241,994.87 × 238,817,954.32
  4. Step 4: Simplify right side
    426,990,109.66x = 140,721,567,814,289,328
  5. Step 5: Solve for x
    x = 140,721,567,814,289,328/426,990,109.66
  6. Step 6: Final answer
    x = 329,566,340.37

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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.