Home / 772,301,267.20-1,158,451,900.80-357,777,287.20

Finding the Fourth Proportional to 772,301,267.20, 1,158,451,900.80 and 357,777,287.20

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Solution

The fourth proportional to 772,301,267.20, 1,158,451,900.80 and 357,777,287.20 is: 536,665,930.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,301,267.20 : 1,158,451,900.80 = 357,777,287.20 : x
  2. Step 2: Convert to fraction form
    772,301,267.20/1,158,451,900.80 = 357,777,287.20/x
  3. Step 3: Cross multiply
    772,301,267.20x = 1,158,451,900.80 × 357,777,287.20
  4. Step 4: Simplify right side
    772,301,267.20x = 414,467,778,419,907,456
  5. Step 5: Solve for x
    x = 414,467,778,419,907,456/772,301,267.20
  6. Step 6: Final answer
    x = 536,665,930.80

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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.