Home / 262,441,036.80-393,661,555.20-248,410,994.40

Finding the Fourth Proportional to 262,441,036.80, 393,661,555.20 and 248,410,994.40

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Solution

The fourth proportional to 262,441,036.80, 393,661,555.20 and 248,410,994.40 is: 372,616,491.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,441,036.80 : 393,661,555.20 = 248,410,994.40 : x
  2. Step 2: Convert to fraction form
    262,441,036.80/393,661,555.20 = 248,410,994.40/x
  3. Step 3: Cross multiply
    262,441,036.80x = 393,661,555.20 × 248,410,994.40
  4. Step 4: Simplify right side
    262,441,036.80x = 97,789,858,384,282,496
  5. Step 5: Solve for x
    x = 97,789,858,384,282,496/262,441,036.80
  6. Step 6: Final answer
    x = 372,616,491.60

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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.