Home / 1,346,172,622,388.30-2,019,383,066,482.40-439,615,181,665.20

Finding the Fourth Proportional to 1,346,172,622,388.30, 2,019,383,066,482.40 and 439,615,181,665.20

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Solution

The fourth proportional to 1,346,172,622,388.30, 2,019,383,066,482.40 and 439,615,181,665.20 is: 659,463,310,172.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,346,172,622,388.30 : 2,019,383,066,482.40 = 439,615,181,665.20 : x
  2. Step 2: Convert to fraction form
    1,346,172,622,388.30/2,019,383,066,482.40 = 439,615,181,665.20/x
  3. Step 3: Cross multiply
    1,346,172,622,388.30x = 2,019,383,066,482.40 × 439,615,181,665.20
  4. Step 4: Simplify right side
    1,346,172,622,388.30x = 887,751,453,623,288,909,004,800
  5. Step 5: Solve for x
    x = 887,751,453,623,288,909,004,800/1,346,172,622,388.30
  6. Step 6: Final answer
    x = 659,463,310,172.13

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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.