Home / 272,306,445.30-406,335,835.26-242,958,538.77

Finding the Fourth Proportional to 272,306,445.30, 406,335,835.26 and 242,958,538.77

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Solution

The fourth proportional to 272,306,445.30, 406,335,835.26 and 242,958,538.77 is: 362,542,872.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,306,445.30 : 406,335,835.26 = 242,958,538.77 : x
  2. Step 2: Convert to fraction form
    272,306,445.30/406,335,835.26 = 242,958,538.77/x
  3. Step 3: Cross multiply
    272,306,445.30x = 406,335,835.26 × 242,958,538.77
  4. Step 4: Simplify right side
    272,306,445.30x = 98,722,760,783,137,344
  5. Step 5: Solve for x
    x = 98,722,760,783,137,344/272,306,445.30
  6. Step 6: Final answer
    x = 362,542,872.15

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.