Home / 422,504,283.74-633,309,128.96-142,118,275.69

Finding the Fourth Proportional to 422,504,283.74, 633,309,128.96 and 142,118,275.69

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Solution

The fourth proportional to 422,504,283.74, 633,309,128.96 and 142,118,275.69 is: 213,026,955.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,504,283.74 : 633,309,128.96 = 142,118,275.69 : x
  2. Step 2: Convert to fraction form
    422,504,283.74/633,309,128.96 = 142,118,275.69/x
  3. Step 3: Cross multiply
    422,504,283.74x = 633,309,128.96 × 142,118,275.69
  4. Step 4: Simplify right side
    422,504,283.74x = 90,004,801,384,237,184
  5. Step 5: Solve for x
    x = 90,004,801,384,237,184/422,504,283.74
  6. Step 6: Final answer
    x = 213,026,955.81

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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.