Home / 820,512,679.10-1,230,769,018.65-246,084,007.10

Finding the Fourth Proportional to 820,512,679.10, 1,230,769,018.65 and 246,084,007.10

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Solution

The fourth proportional to 820,512,679.10, 1,230,769,018.65 and 246,084,007.10 is: 369,126,010.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,512,679.10 : 1,230,769,018.65 = 246,084,007.10 : x
  2. Step 2: Convert to fraction form
    820,512,679.10/1,230,769,018.65 = 246,084,007.10/x
  3. Step 3: Cross multiply
    820,512,679.10x = 1,230,769,018.65 × 246,084,007.10
  4. Step 4: Simplify right side
    820,512,679.10x = 302,872,571,923,926,656
  5. Step 5: Solve for x
    x = 302,872,571,923,926,656/820,512,679.10
  6. Step 6: Final answer
    x = 369,126,010.65

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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.