Home / 505,459,615.30-758,262,906.15-214,326,175.30

Finding the Fourth Proportional to 505,459,615.30, 758,262,906.15 and 214,326,175.30

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Solution

The fourth proportional to 505,459,615.30, 758,262,906.15 and 214,326,175.30 is: 321,520,421.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,459,615.30 : 758,262,906.15 = 214,326,175.30 : x
  2. Step 2: Convert to fraction form
    505,459,615.30/758,262,906.15 = 214,326,175.30/x
  3. Step 3: Cross multiply
    505,459,615.30x = 758,262,906.15 × 214,326,175.30
  4. Step 4: Simplify right side
    505,459,615.30x = 162,515,588,546,992,352
  5. Step 5: Solve for x
    x = 162,515,588,546,992,352/505,459,615.30
  6. Step 6: Final answer
    x = 321,520,421.47

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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.