Home / 2,945,999,079.72-4,419,827,667.54-1,288,051,963.20

Finding the Fourth Proportional to 2,945,999,079.72, 4,419,827,667.54 and 1,288,051,963.20

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Solution

The fourth proportional to 2,945,999,079.72, 4,419,827,667.54 and 1,288,051,963.20 is: 1,932,440,421.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,945,999,079.72 : 4,419,827,667.54 = 1,288,051,963.20 : x
  2. Step 2: Convert to fraction form
    2,945,999,079.72/4,419,827,667.54 = 1,288,051,963.20/x
  3. Step 3: Cross multiply
    2,945,999,079.72x = 4,419,827,667.54 × 1,288,051,963.20
  4. Step 4: Simplify right side
    2,945,999,079.72x = 5,692,967,704,180,574,208
  5. Step 5: Solve for x
    x = 5,692,967,704,180,574,208/2,945,999,079.72
  6. Step 6: Final answer
    x = 1,932,440,421.78

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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.