Home / 302,160,082.10-415,973,619.90-288,277,514.57

Finding the Fourth Proportional to 302,160,082.10, 415,973,619.90 and 288,277,514.57

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Solution

The fourth proportional to 302,160,082.10, 415,973,619.90 and 288,277,514.57 is: 396,861,956.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,160,082.10 : 415,973,619.90 = 288,277,514.57 : x
  2. Step 2: Convert to fraction form
    302,160,082.10/415,973,619.90 = 288,277,514.57/x
  3. Step 3: Cross multiply
    302,160,082.10x = 415,973,619.90 × 288,277,514.57
  4. Step 4: Simplify right side
    302,160,082.10x = 119,915,841,269,378,016
  5. Step 5: Solve for x
    x = 119,915,841,269,378,016/302,160,082.10
  6. Step 6: Final answer
    x = 396,861,956.21

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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.