Home / 2,147,048,497.68-3,219,775,322.44-747,673,409.20

Finding the Fourth Proportional to 2,147,048,497.68, 3,219,775,322.44 and 747,673,409.20

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Solution

The fourth proportional to 2,147,048,497.68, 3,219,775,322.44 and 747,673,409.20 is: 1,121,232,424.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,147,048,497.68 : 3,219,775,322.44 = 747,673,409.20 : x
  2. Step 2: Convert to fraction form
    2,147,048,497.68/3,219,775,322.44 = 747,673,409.20/x
  3. Step 3: Cross multiply
    2,147,048,497.68x = 3,219,775,322.44 × 747,673,409.20
  4. Step 4: Simplify right side
    2,147,048,497.68x = 2,407,340,392,186,744,320
  5. Step 5: Solve for x
    x = 2,407,340,392,186,744,320/2,147,048,497.68
  6. Step 6: Final answer
    x = 1,121,232,424.32

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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.