Home / 799,632,001.20-1,199,448,001.80-254,428,647.60

Finding the Fourth Proportional to 799,632,001.20, 1,199,448,001.80 and 254,428,647.60

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Solution

The fourth proportional to 799,632,001.20, 1,199,448,001.80 and 254,428,647.60 is: 381,642,971.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    799,632,001.20 : 1,199,448,001.80 = 254,428,647.60 : x
  2. Step 2: Convert to fraction form
    799,632,001.20/1,199,448,001.80 = 254,428,647.60/x
  3. Step 3: Cross multiply
    799,632,001.20x = 1,199,448,001.80 × 254,428,647.60
  4. Step 4: Simplify right side
    799,632,001.20x = 305,173,932,964,496,320
  5. Step 5: Solve for x
    x = 305,173,932,964,496,320/799,632,001.20
  6. Step 6: Final answer
    x = 381,642,971.40

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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.