Home / 341,657,999.90-512,486,999.85-225,431,853.20

Finding the Fourth Proportional to 341,657,999.90, 512,486,999.85 and 225,431,853.20

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Solution

The fourth proportional to 341,657,999.90, 512,486,999.85 and 225,431,853.20 is: 338,147,779.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,657,999.90 : 512,486,999.85 = 225,431,853.20 : x
  2. Step 2: Convert to fraction form
    341,657,999.90/512,486,999.85 = 225,431,853.20/x
  3. Step 3: Cross multiply
    341,657,999.90x = 512,486,999.85 × 225,431,853.20
  4. Step 4: Simplify right side
    341,657,999.90x = 115,530,894,117,093,616
  5. Step 5: Solve for x
    x = 115,530,894,117,093,616/341,657,999.90
  6. Step 6: Final answer
    x = 338,147,779.80

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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.