Home / 820,512,057.45-1,230,768,086.18-246,083,385.45

Finding the Fourth Proportional to 820,512,057.45, 1,230,768,086.18 and 246,083,385.45

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Solution

The fourth proportional to 820,512,057.45, 1,230,768,086.18 and 246,083,385.45 is: 369,125,078.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,512,057.45 : 1,230,768,086.18 = 246,083,385.45 : x
  2. Step 2: Convert to fraction form
    820,512,057.45/1,230,768,086.18 = 246,083,385.45/x
  3. Step 3: Cross multiply
    820,512,057.45x = 1,230,768,086.18 × 246,083,385.45
  4. Step 4: Simplify right side
    820,512,057.45x = 302,871,577,349,761,344
  5. Step 5: Solve for x
    x = 302,871,577,349,761,344/820,512,057.45
  6. Step 6: Final answer
    x = 369,125,078.18

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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.