Home / 13,388,699,620.33-18,475,850,650.54-7,285,077,380.68

Finding the Fourth Proportional to 13,388,699,620.33, 18,475,850,650.54 and 7,285,077,380.68

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Solution

The fourth proportional to 13,388,699,620.33, 18,475,850,650.54 and 7,285,077,380.68 is: 10,053,104,892.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,388,699,620.33 : 18,475,850,650.54 = 7,285,077,380.68 : x
  2. Step 2: Convert to fraction form
    13,388,699,620.33/18,475,850,650.54 = 7,285,077,380.68/x
  3. Step 3: Cross multiply
    13,388,699,620.33x = 18,475,850,650.54 × 7,285,077,380.68
  4. Step 4: Simplify right side
    13,388,699,620.33x = 134,598,001,662,978,441,216
  5. Step 5: Solve for x
    x = 134,598,001,662,978,441,216/13,388,699,620.33
  6. Step 6: Final answer
    x = 10,053,104,892.92

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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.