Home / 1,015,288,045.20-1,523,044,042.20-325,077,843.60

Finding the Fourth Proportional to 1,015,288,045.20, 1,523,044,042.20 and 325,077,843.60

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Solution

The fourth proportional to 1,015,288,045.20, 1,523,044,042.20 and 325,077,843.60 is: 487,652,617.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,015,288,045.20 : 1,523,044,042.20 = 325,077,843.60 : x
  2. Step 2: Convert to fraction form
    1,015,288,045.20/1,523,044,042.20 = 325,077,843.60/x
  3. Step 3: Cross multiply
    1,015,288,045.20x = 1,523,044,042.20 × 325,077,843.60
  4. Step 4: Simplify right side
    1,015,288,045.20x = 495,107,872,946,203,456
  5. Step 5: Solve for x
    x = 495,107,872,946,203,456/1,015,288,045.20
  6. Step 6: Final answer
    x = 487,652,617.69

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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.