Home / 395,216,087.02-545,401,449.44-219,007,025.08

Finding the Fourth Proportional to 395,216,087.02, 545,401,449.44 and 219,007,025.08

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Solution

The fourth proportional to 395,216,087.02, 545,401,449.44 and 219,007,025.08 is: 302,231,495.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,216,087.02 : 545,401,449.44 = 219,007,025.08 : x
  2. Step 2: Convert to fraction form
    395,216,087.02/545,401,449.44 = 219,007,025.08/x
  3. Step 3: Cross multiply
    395,216,087.02x = 545,401,449.44 × 219,007,025.08
  4. Step 4: Simplify right side
    395,216,087.02x = 119,446,748,915,079,392
  5. Step 5: Solve for x
    x = 119,446,748,915,079,392/395,216,087.02
  6. Step 6: Final answer
    x = 302,231,495.22

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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.