Home / 6,240,874,472.82-8,612,404,693.74-3,421,421,863.38

Finding the Fourth Proportional to 6,240,874,472.82, 8,612,404,693.74 and 3,421,421,863.38

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Solution

The fourth proportional to 6,240,874,472.82, 8,612,404,693.74 and 3,421,421,863.38 is: 4,721,561,031.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,240,874,472.82 : 8,612,404,693.74 = 3,421,421,863.38 : x
  2. Step 2: Convert to fraction form
    6,240,874,472.82/8,612,404,693.74 = 3,421,421,863.38/x
  3. Step 3: Cross multiply
    6,240,874,472.82x = 8,612,404,693.74 × 3,421,421,863.38
  4. Step 4: Simplify right side
    6,240,874,472.82x = 29,466,669,715,438,567,424
  5. Step 5: Solve for x
    x = 29,466,669,715,438,567,424/6,240,874,472.82
  6. Step 6: Final answer
    x = 4,721,561,031.83

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Double scale
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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.