Home / 808,698,797.28-1,213,051,749.66-256,003,940.88

Finding the Fourth Proportional to 808,698,797.28, 1,213,051,749.66 and 256,003,940.88

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Solution

The fourth proportional to 808,698,797.28, 1,213,051,749.66 and 256,003,940.88 is: 384,007,036.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,698,797.28 : 1,213,051,749.66 = 256,003,940.88 : x
  2. Step 2: Convert to fraction form
    808,698,797.28/1,213,051,749.66 = 256,003,940.88/x
  3. Step 3: Cross multiply
    808,698,797.28x = 1,213,051,749.66 × 256,003,940.88
  4. Step 4: Simplify right side
    808,698,797.28x = 310,546,028,404,339,200
  5. Step 5: Solve for x
    x = 310,546,028,404,339,200/808,698,797.28
  6. Step 6: Final answer
    x = 384,007,036.30

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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.