Home / 14,440,700,788.38-19,920,832,918.38-9,431,380,437.66

Finding the Fourth Proportional to 14,440,700,788.38, 19,920,832,918.38 and 9,431,380,437.66

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Solution

The fourth proportional to 14,440,700,788.38, 19,920,832,918.38 and 9,431,380,437.66 is: 13,010,514,977.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,440,700,788.38 : 19,920,832,918.38 = 9,431,380,437.66 : x
  2. Step 2: Convert to fraction form
    14,440,700,788.38/19,920,832,918.38 = 9,431,380,437.66/x
  3. Step 3: Cross multiply
    14,440,700,788.38x = 19,920,832,918.38 × 9,431,380,437.66
  4. Step 4: Simplify right side
    14,440,700,788.38x = 187,880,953,888,302,497,792
  5. Step 5: Solve for x
    x = 187,880,953,888,302,497,792/14,440,700,788.38
  6. Step 6: Final answer
    x = 13,010,514,977.19

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Double scale
Find fourth proportional to 14,440,700,789.38, 19,920,832,919.76 and 9,431,380,438.66
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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.