Home / 403,222,029.70-604,833,044.56-209,511,785.20

Finding the Fourth Proportional to 403,222,029.70, 604,833,044.56 and 209,511,785.20

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Solution

The fourth proportional to 403,222,029.70, 604,833,044.56 and 209,511,785.20 is: 314,267,677.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,222,029.70 : 604,833,044.56 = 209,511,785.20 : x
  2. Step 2: Convert to fraction form
    403,222,029.70/604,833,044.56 = 209,511,785.20/x
  3. Step 3: Cross multiply
    403,222,029.70x = 604,833,044.56 × 209,511,785.20
  4. Step 4: Simplify right side
    403,222,029.70x = 126,719,650,913,716,736
  5. Step 5: Solve for x
    x = 126,719,650,913,716,736/403,222,029.70
  6. Step 6: Final answer
    x = 314,267,677.81

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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.