Home / 395,216,065.28-545,401,419.38-219,007,003.29

Finding the Fourth Proportional to 395,216,065.28, 545,401,419.38 and 219,007,003.29

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Solution

The fourth proportional to 395,216,065.28, 545,401,419.38 and 219,007,003.29 is: 302,231,465.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,216,065.28 : 545,401,419.38 = 219,007,003.29 : x
  2. Step 2: Convert to fraction form
    395,216,065.28/545,401,419.38 = 219,007,003.29/x
  3. Step 3: Cross multiply
    395,216,065.28x = 545,401,419.38 × 219,007,003.29
  4. Step 4: Simplify right side
    395,216,065.28x = 119,446,730,448,526,320
  5. Step 5: Solve for x
    x = 119,446,730,448,526,320/395,216,065.28
  6. Step 6: Final answer
    x = 302,231,465.12

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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.