Home / 39,644,980,778.69-59,476,430,266.83-13,115,434,599.48

Finding the Fourth Proportional to 39,644,980,778.69, 59,476,430,266.83 and 13,115,434,599.48

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Solution

The fourth proportional to 39,644,980,778.69, 59,476,430,266.83 and 13,115,434,599.48 is: 19,676,115,766.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,644,980,778.69 : 59,476,430,266.83 = 13,115,434,599.48 : x
  2. Step 2: Convert to fraction form
    39,644,980,778.69/59,476,430,266.83 = 13,115,434,599.48/x
  3. Step 3: Cross multiply
    39,644,980,778.69x = 59,476,430,266.83 × 13,115,434,599.48
  4. Step 4: Simplify right side
    39,644,980,778.69x = 780,059,231,375,141,634,048
  5. Step 5: Solve for x
    x = 780,059,231,375,141,634,048/39,644,980,778.69
  6. Step 6: Final answer
    x = 19,676,115,766.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.