Home / 807,434,132.68-1,211,151,200.64-194,018,359.24

Finding the Fourth Proportional to 807,434,132.68, 1,211,151,200.64 and 194,018,359.24

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Solution

The fourth proportional to 807,434,132.68, 1,211,151,200.64 and 194,018,359.24 is: 291,027,539.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,434,132.68 : 1,211,151,200.64 = 194,018,359.24 : x
  2. Step 2: Convert to fraction form
    807,434,132.68/1,211,151,200.64 = 194,018,359.24/x
  3. Step 3: Cross multiply
    807,434,132.68x = 1,211,151,200.64 × 194,018,359.24
  4. Step 4: Simplify right side
    807,434,132.68x = 234,985,568,739,728,864
  5. Step 5: Solve for x
    x = 234,985,568,739,728,864/807,434,132.68
  6. Step 6: Final answer
    x = 291,027,539.25

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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.