Home / 351,015,663.40-526,523,495.10-248,978,991.40

Finding the Fourth Proportional to 351,015,663.40, 526,523,495.10 and 248,978,991.40

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Solution

The fourth proportional to 351,015,663.40, 526,523,495.10 and 248,978,991.40 is: 373,468,487.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,015,663.40 : 526,523,495.10 = 248,978,991.40 : x
  2. Step 2: Convert to fraction form
    351,015,663.40/526,523,495.10 = 248,978,991.40/x
  3. Step 3: Cross multiply
    351,015,663.40x = 526,523,495.10 × 248,978,991.40
  4. Step 4: Simplify right side
    351,015,663.40x = 131,093,288,758,400,848
  5. Step 5: Solve for x
    x = 131,093,288,758,400,848/351,015,663.40
  6. Step 6: Final answer
    x = 373,468,487.10

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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.