Home / 416,679,435.36-574,964,772.12-228,458,199.60

Finding the Fourth Proportional to 416,679,435.36, 574,964,772.12 and 228,458,199.60

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Solution

The fourth proportional to 416,679,435.36, 574,964,772.12 and 228,458,199.60 is: 315,243,339.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,679,435.36 : 574,964,772.12 = 228,458,199.60 : x
  2. Step 2: Convert to fraction form
    416,679,435.36/574,964,772.12 = 228,458,199.60/x
  3. Step 3: Cross multiply
    416,679,435.36x = 574,964,772.12 × 228,458,199.60
  4. Step 4: Simplify right side
    416,679,435.36x = 131,355,416,671,959,472
  5. Step 5: Solve for x
    x = 131,355,416,671,959,472/416,679,435.36
  6. Step 6: Final answer
    x = 315,243,339.42

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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.