Home / 6,689,491,653.89-9,228,885,726.74-3,830,105,696.57

Finding the Fourth Proportional to 6,689,491,653.89, 9,228,885,726.74 and 3,830,105,696.57

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Solution

The fourth proportional to 6,689,491,653.89, 9,228,885,726.74 and 3,830,105,696.57 is: 5,284,049,913.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,689,491,653.89 : 9,228,885,726.74 = 3,830,105,696.57 : x
  2. Step 2: Convert to fraction form
    6,689,491,653.89/9,228,885,726.74 = 3,830,105,696.57/x
  3. Step 3: Cross multiply
    6,689,491,653.89x = 9,228,885,726.74 × 3,830,105,696.57
  4. Step 4: Simplify right side
    6,689,491,653.89x = 35,347,607,794,915,147,776
  5. Step 5: Solve for x
    x = 35,347,607,794,915,147,776/6,689,491,653.89
  6. Step 6: Final answer
    x = 5,284,049,913.48

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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.