Home / 211,809,882,693.40-292,295,222,552.64-115,463,843,720.52

Finding the Fourth Proportional to 211,809,882,693.40, 292,295,222,552.64 and 115,463,843,720.52

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Solution

The fourth proportional to 211,809,882,693.40, 292,295,222,552.64 and 115,463,843,720.52 is: 159,338,787,538.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,809,882,693.40 : 292,295,222,552.64 = 115,463,843,720.52 : x
  2. Step 2: Convert to fraction form
    211,809,882,693.40/292,295,222,552.64 = 115,463,843,720.52/x
  3. Step 3: Cross multiply
    211,809,882,693.40x = 292,295,222,552.64 × 115,463,843,720.52
  4. Step 4: Simplify right side
    211,809,882,693.40x = 33,749,529,897,072,641,179,648
  5. Step 5: Solve for x
    x = 33,749,529,897,072,641,179,648/211,809,882,693.40
  6. Step 6: Final answer
    x = 159,338,787,538.66

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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.