Home / 334,413,999.90-501,620,999.85-218,187,853.20

Finding the Fourth Proportional to 334,413,999.90, 501,620,999.85 and 218,187,853.20

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Solution

The fourth proportional to 334,413,999.90, 501,620,999.85 and 218,187,853.20 is: 327,281,779.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,413,999.90 : 501,620,999.85 = 218,187,853.20 : x
  2. Step 2: Convert to fraction form
    334,413,999.90/501,620,999.85 = 218,187,853.20/x
  3. Step 3: Cross multiply
    334,413,999.90x = 501,620,999.85 × 218,187,853.20
  4. Step 4: Simplify right side
    334,413,999.90x = 109,447,609,077,309,024
  5. Step 5: Solve for x
    x = 109,447,609,077,309,024/334,413,999.90
  6. Step 6: Final answer
    x = 327,281,779.80

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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.