Home / 345,481,470.42-476,764,451.73-188,849,197.86

Finding the Fourth Proportional to 345,481,470.42, 476,764,451.73 and 188,849,197.86

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Solution

The fourth proportional to 345,481,470.42, 476,764,451.73 and 188,849,197.86 is: 260,611,905.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,481,470.42 : 476,764,451.73 = 188,849,197.86 : x
  2. Step 2: Convert to fraction form
    345,481,470.42/476,764,451.73 = 188,849,197.86/x
  3. Step 3: Cross multiply
    345,481,470.42x = 476,764,451.73 × 188,849,197.86
  4. Step 4: Simplify right side
    345,481,470.42x = 90,036,584,277,373,200
  5. Step 5: Solve for x
    x = 90,036,584,277,373,200/345,481,470.42
  6. Step 6: Final answer
    x = 260,611,905.37

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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.