Home / 409,610,072.25-614,415,699.72-167,272,976.25

Finding the Fourth Proportional to 409,610,072.25, 614,415,699.72 and 167,272,976.25

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Solution

The fourth proportional to 409,610,072.25, 614,415,699.72 and 167,272,976.25 is: 250,909,705.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,610,072.25 : 614,415,699.72 = 167,272,976.25 : x
  2. Step 2: Convert to fraction form
    409,610,072.25/614,415,699.72 = 167,272,976.25/x
  3. Step 3: Cross multiply
    409,610,072.25x = 614,415,699.72 × 167,272,976.25
  4. Step 4: Simplify right side
    409,610,072.25x = 102,775,142,746,890,704
  5. Step 5: Solve for x
    x = 102,775,142,746,890,704/409,610,072.25
  6. Step 6: Final answer
    x = 250,909,705.86

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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.