Home / 772,301,213.20-1,158,451,819.80-357,777,233.20

Finding the Fourth Proportional to 772,301,213.20, 1,158,451,819.80 and 357,777,233.20

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Solution

The fourth proportional to 772,301,213.20, 1,158,451,819.80 and 357,777,233.20 is: 536,665,849.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,301,213.20 : 1,158,451,819.80 = 357,777,233.20 : x
  2. Step 2: Convert to fraction form
    772,301,213.20/1,158,451,819.80 = 357,777,233.20/x
  3. Step 3: Cross multiply
    772,301,213.20x = 1,158,451,819.80 × 357,777,233.20
  4. Step 4: Simplify right side
    772,301,213.20x = 414,467,686,883,548,928
  5. Step 5: Solve for x
    x = 414,467,686,883,548,928/772,301,213.20
  6. Step 6: Final answer
    x = 536,665,849.80

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1.5x scale

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.