Home / 219,321,704,401.42-302,618,629,055.72-126,620,952,502.23

Finding the Fourth Proportional to 219,321,704,401.42, 302,618,629,055.72 and 126,620,952,502.23

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Solution

The fourth proportional to 219,321,704,401.42, 302,618,629,055.72 and 126,620,952,502.23 is: 174,710,748,124.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,321,704,401.42 : 302,618,629,055.72 = 126,620,952,502.23 : x
  2. Step 2: Convert to fraction form
    219,321,704,401.42/302,618,629,055.72 = 126,620,952,502.23/x
  3. Step 3: Cross multiply
    219,321,704,401.42x = 302,618,629,055.72 × 126,620,952,502.23
  4. Step 4: Simplify right side
    219,321,704,401.42x = 38,317,859,055,954,277,957,632
  5. Step 5: Solve for x
    x = 38,317,859,055,954,277,957,632/219,321,704,401.42
  6. Step 6: Final answer
    x = 174,710,748,124.69

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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.