Home / 650,892,506.22-898,243,493.24-368,693,540.78

Finding the Fourth Proportional to 650,892,506.22, 898,243,493.24 and 368,693,540.78

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Solution

The fourth proportional to 650,892,506.22, 898,243,493.24 and 368,693,540.78 is: 508,803,789.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,892,506.22 : 898,243,493.24 = 368,693,540.78 : x
  2. Step 2: Convert to fraction form
    650,892,506.22/898,243,493.24 = 368,693,540.78/x
  3. Step 3: Cross multiply
    650,892,506.22x = 898,243,493.24 × 368,693,540.78
  4. Step 4: Simplify right side
    650,892,506.22x = 331,176,574,001,682,048
  5. Step 5: Solve for x
    x = 331,176,574,001,682,048/650,892,506.22
  6. Step 6: Final answer
    x = 508,803,789.93

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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.