Home / 403,168,973,932.59-556,373,407,243.27-217,770,682,048.35

Finding the Fourth Proportional to 403,168,973,932.59, 556,373,407,243.27 and 217,770,682,048.35

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Solution

The fourth proportional to 403,168,973,932.59, 556,373,407,243.27 and 217,770,682,048.35 is: 300,523,661,796.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,168,973,932.59 : 556,373,407,243.27 = 217,770,682,048.35 : x
  2. Step 2: Convert to fraction form
    403,168,973,932.59/556,373,407,243.27 = 217,770,682,048.35/x
  3. Step 3: Cross multiply
    403,168,973,932.59x = 556,373,407,243.27 × 217,770,682,048.35
  4. Step 4: Simplify right side
    403,168,973,932.59x = 121,161,816,368,931,311,452,160
  5. Step 5: Solve for x
    x = 121,161,816,368,931,311,452,160/403,168,973,932.59
  6. Step 6: Final answer
    x = 300,523,661,796.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.