Home / 389,589,530.14-537,623,261.40-222,322,793.32

Finding the Fourth Proportional to 389,589,530.14, 537,623,261.40 and 222,322,793.32

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Solution

The fourth proportional to 389,589,530.14, 537,623,261.40 and 222,322,793.32 is: 306,799,582.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,589,530.14 : 537,623,261.40 = 222,322,793.32 : x
  2. Step 2: Convert to fraction form
    389,589,530.14/537,623,261.40 = 222,322,793.32/x
  3. Step 3: Cross multiply
    389,589,530.14x = 537,623,261.40 × 222,322,793.32
  4. Step 4: Simplify right side
    389,589,530.14x = 119,525,905,228,256,528
  5. Step 5: Solve for x
    x = 119,525,905,228,256,528/389,589,530.14
  6. Step 6: Final answer
    x = 306,799,582.59

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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.