Home / 74,682,970,302.78-103,062,809,532.06-40,388,676,859.58

Finding the Fourth Proportional to 74,682,970,302.78, 103,062,809,532.06 and 40,388,676,859.58

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Solution

The fourth proportional to 74,682,970,302.78, 103,062,809,532.06 and 40,388,676,859.58 is: 55,736,541,992.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,682,970,302.78 : 103,062,809,532.06 = 40,388,676,859.58 : x
  2. Step 2: Convert to fraction form
    74,682,970,302.78/103,062,809,532.06 = 40,388,676,859.58/x
  3. Step 3: Cross multiply
    74,682,970,302.78x = 103,062,809,532.06 × 40,388,676,859.58
  4. Step 4: Simplify right side
    74,682,970,302.78x = 4,162,570,510,430,296,866,816
  5. Step 5: Solve for x
    x = 4,162,570,510,430,296,866,816/74,682,970,302.78
  6. Step 6: Final answer
    x = 55,736,541,992.83

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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.