Home / 347,638,273.80-521,520,396.30-174,679,816.20

Finding the Fourth Proportional to 347,638,273.80, 521,520,396.30 and 174,679,816.20

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Solution

The fourth proportional to 347,638,273.80, 521,520,396.30 and 174,679,816.20 is: 262,051,373.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,638,273.80 : 521,520,396.30 = 174,679,816.20 : x
  2. Step 2: Convert to fraction form
    347,638,273.80/521,520,396.30 = 174,679,816.20/x
  3. Step 3: Cross multiply
    347,638,273.80x = 521,520,396.30 × 174,679,816.20
  4. Step 4: Simplify right side
    347,638,273.80x = 91,099,086,970,235,152
  5. Step 5: Solve for x
    x = 91,099,086,970,235,152/347,638,273.80
  6. Step 6: Final answer
    x = 262,051,373.04

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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.