Home / 351,015,320.40-526,522,980.60-248,978,648.40

Finding the Fourth Proportional to 351,015,320.40, 526,522,980.60 and 248,978,648.40

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Solution

The fourth proportional to 351,015,320.40, 526,522,980.60 and 248,978,648.40 is: 373,467,972.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,015,320.40 : 526,522,980.60 = 248,978,648.40 : x
  2. Step 2: Convert to fraction form
    351,015,320.40/526,522,980.60 = 248,978,648.40/x
  3. Step 3: Cross multiply
    351,015,320.40x = 526,522,980.60 × 248,978,648.40
  4. Step 4: Simplify right side
    351,015,320.40x = 131,092,980,061,327,424
  5. Step 5: Solve for x
    x = 131,092,980,061,327,424/351,015,320.40
  6. Step 6: Final answer
    x = 373,467,972.60

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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.