Home / 2,945,999,089.40-4,419,827,682.08-1,288,051,972.88

Finding the Fourth Proportional to 2,945,999,089.40, 4,419,827,682.08 and 1,288,051,972.88

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Solution

The fourth proportional to 2,945,999,089.40, 4,419,827,682.08 and 1,288,051,972.88 is: 1,932,440,436.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,945,999,089.40 : 4,419,827,682.08 = 1,288,051,972.88 : x
  2. Step 2: Convert to fraction form
    2,945,999,089.40/4,419,827,682.08 = 1,288,051,972.88/x
  3. Step 3: Cross multiply
    2,945,999,089.40x = 4,419,827,682.08 × 1,288,051,972.88
  4. Step 4: Simplify right side
    2,945,999,089.40x = 5,692,967,765,664,241,664
  5. Step 5: Solve for x
    x = 5,692,967,765,664,241,664/2,945,999,089.40
  6. Step 6: Final answer
    x = 1,932,440,436.30

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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.