Home / 14,440,700,791.38-19,920,832,922.52-9,431,380,440.66

Finding the Fourth Proportional to 14,440,700,791.38, 19,920,832,922.52 and 9,431,380,440.66

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Solution

The fourth proportional to 14,440,700,791.38, 19,920,832,922.52 and 9,431,380,440.66 is: 13,010,514,981.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,440,700,791.38 : 19,920,832,922.52 = 9,431,380,440.66 : x
  2. Step 2: Convert to fraction form
    14,440,700,791.38/19,920,832,922.52 = 9,431,380,440.66/x
  3. Step 3: Cross multiply
    14,440,700,791.38x = 19,920,832,922.52 × 9,431,380,440.66
  4. Step 4: Simplify right side
    14,440,700,791.38x = 187,880,953,987,110,928,384
  5. Step 5: Solve for x
    x = 187,880,953,987,110,928,384/14,440,700,791.38
  6. Step 6: Final answer
    x = 13,010,514,981.33

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Double scale
Find fourth proportional to 14,440,700,792.38, 19,920,832,923.90 and 9,431,380,441.66
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1.5x scale

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.