Home / 347,355,171.52-479,356,992.46-190,720,908.36

Finding the Fourth Proportional to 347,355,171.52, 479,356,992.46 and 190,720,908.36

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Solution

The fourth proportional to 347,355,171.52, 479,356,992.46 and 190,720,908.36 is: 263,198,617.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,355,171.52 : 479,356,992.46 = 190,720,908.36 : x
  2. Step 2: Convert to fraction form
    347,355,171.52/479,356,992.46 = 190,720,908.36/x
  3. Step 3: Cross multiply
    347,355,171.52x = 479,356,992.46 × 190,720,908.36
  4. Step 4: Simplify right side
    347,355,171.52x = 91,423,401,030,688,880
  5. Step 5: Solve for x
    x = 91,423,401,030,688,880/347,355,171.52
  6. Step 6: Final answer
    x = 263,198,617.80

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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.