Home / 262,105,704.80-393,725,427.60-185,578,200.80

Finding the Fourth Proportional to 262,105,704.80, 393,725,427.60 and 185,578,200.80

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Solution

The fourth proportional to 262,105,704.80, 393,725,427.60 and 185,578,200.80 is: 278,768,661.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,105,704.80 : 393,725,427.60 = 185,578,200.80 : x
  2. Step 2: Convert to fraction form
    262,105,704.80/393,725,427.60 = 185,578,200.80/x
  3. Step 3: Cross multiply
    262,105,704.80x = 393,725,427.60 × 185,578,200.80
  4. Step 4: Simplify right side
    262,105,704.80x = 73,066,856,463,218,672
  5. Step 5: Solve for x
    x = 73,066,856,463,218,672/262,105,704.80
  6. Step 6: Final answer
    x = 278,768,661.36

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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.