Home / 395,216,082.27-545,401,442.88-219,007,020.33

Finding the Fourth Proportional to 395,216,082.27, 545,401,442.88 and 219,007,020.33

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Solution

The fourth proportional to 395,216,082.27, 545,401,442.88 and 219,007,020.33 is: 302,231,488.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,216,082.27 : 545,401,442.88 = 219,007,020.33 : x
  2. Step 2: Convert to fraction form
    395,216,082.27/545,401,442.88 = 219,007,020.33/x
  3. Step 3: Cross multiply
    395,216,082.27x = 545,401,442.88 × 219,007,020.33
  4. Step 4: Simplify right side
    395,216,082.27x = 119,446,744,888,831,504
  5. Step 5: Solve for x
    x = 119,446,744,888,831,504/395,216,082.27
  6. Step 6: Final answer
    x = 302,231,488.67

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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.