Home / 403,600,932.72-556,969,268.80-217,961,932

Finding the Fourth Proportional to 403,600,932.72, 556,969,268.80 and 217,961,932

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Solution

The fourth proportional to 403,600,932.72, 556,969,268.80 and 217,961,932 is: 300,787,456.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,600,932.72 : 556,969,268.80 = 217,961,932 : x
  2. Step 2: Convert to fraction form
    403,600,932.72/556,969,268.80 = 217,961,932/x
  3. Step 3: Cross multiply
    403,600,932.72x = 556,969,268.80 × 217,961,932
  4. Step 4: Simplify right side
    403,600,932.72x = 121,398,097,892,275,312
  5. Step 5: Solve for x
    x = 121,398,097,892,275,312/403,600,932.72
  6. Step 6: Final answer
    x = 300,787,456.25

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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.