Home / 422,094,969.36-582,490,615.80-236,457,291.72

Finding the Fourth Proportional to 422,094,969.36, 582,490,615.80 and 236,457,291.72

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Solution

The fourth proportional to 422,094,969.36, 582,490,615.80 and 236,457,291.72 is: 326,310,815.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,094,969.36 : 582,490,615.80 = 236,457,291.72 : x
  2. Step 2: Convert to fraction form
    422,094,969.36/582,490,615.80 = 236,457,291.72/x
  3. Step 3: Cross multiply
    422,094,969.36x = 582,490,615.80 × 236,457,291.72
  4. Step 4: Simplify right side
    422,094,969.36x = 137,734,153,464,383,024
  5. Step 5: Solve for x
    x = 137,734,153,464,383,024/422,094,969.36
  6. Step 6: Final answer
    x = 326,310,815.01

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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.