Home / 820,512,054.20-1,230,768,081.30-246,083,382.20

Finding the Fourth Proportional to 820,512,054.20, 1,230,768,081.30 and 246,083,382.20

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Solution

The fourth proportional to 820,512,054.20, 1,230,768,081.30 and 246,083,382.20 is: 369,125,073.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,512,054.20 : 1,230,768,081.30 = 246,083,382.20 : x
  2. Step 2: Convert to fraction form
    820,512,054.20/1,230,768,081.30 = 246,083,382.20/x
  3. Step 3: Cross multiply
    820,512,054.20x = 1,230,768,081.30 × 246,083,382.20
  4. Step 4: Simplify right side
    820,512,054.20x = 302,871,572,150,108,544
  5. Step 5: Solve for x
    x = 302,871,572,150,108,544/820,512,054.20
  6. Step 6: Final answer
    x = 369,125,073.30

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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.