Home / 441,415,070.33-661,892,698.05-208,183,159.41

Finding the Fourth Proportional to 441,415,070.33, 661,892,698.05 and 208,183,159.41

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Solution

The fourth proportional to 441,415,070.33, 661,892,698.05 and 208,183,159.41 is: 312,166,308.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,415,070.33 : 661,892,698.05 = 208,183,159.41 : x
  2. Step 2: Convert to fraction form
    441,415,070.33/661,892,698.05 = 208,183,159.41/x
  3. Step 3: Cross multiply
    441,415,070.33x = 661,892,698.05 × 208,183,159.41
  4. Step 4: Simplify right side
    441,415,070.33x = 137,794,913,070,458,128
  5. Step 5: Solve for x
    x = 137,794,913,070,458,128/441,415,070.33
  6. Step 6: Final answer
    x = 312,166,308.62

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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.