Home / 505,459,606.80-758,262,893.40-214,326,166.80

Finding the Fourth Proportional to 505,459,606.80, 758,262,893.40 and 214,326,166.80

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Solution

The fourth proportional to 505,459,606.80, 758,262,893.40 and 214,326,166.80 is: 321,520,408.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,459,606.80 : 758,262,893.40 = 214,326,166.80 : x
  2. Step 2: Convert to fraction form
    505,459,606.80/758,262,893.40 = 214,326,166.80/x
  3. Step 3: Cross multiply
    505,459,606.80x = 758,262,893.40 × 214,326,166.80
  4. Step 4: Simplify right side
    505,459,606.80x = 162,515,579,369,099,008
  5. Step 5: Solve for x
    x = 162,515,579,369,099,008/505,459,606.80
  6. Step 6: Final answer
    x = 321,520,408.72

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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.