Home / 393,108,097.44-542,505,582-216,907,523.04

Finding the Fourth Proportional to 393,108,097.44, 542,505,582 and 216,907,523.04

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Solution

The fourth proportional to 393,108,097.44, 542,505,582 and 216,907,523.04 is: 299,341,435.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,108,097.44 : 542,505,582 = 216,907,523.04 : x
  2. Step 2: Convert to fraction form
    393,108,097.44/542,505,582 = 216,907,523.04/x
  3. Step 3: Cross multiply
    393,108,097.44x = 542,505,582 × 216,907,523.04
  4. Step 4: Simplify right side
    393,108,097.44x = 117,673,542,026,993,600
  5. Step 5: Solve for x
    x = 117,673,542,026,993,600/393,108,097.44
  6. Step 6: Final answer
    x = 299,341,435.07

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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.