Home / 1,076,685,069.06-1,615,040,419.68-300,283,491.60

Finding the Fourth Proportional to 1,076,685,069.06, 1,615,040,419.68 and 300,283,491.60

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Solution

The fourth proportional to 1,076,685,069.06, 1,615,040,419.68 and 300,283,491.60 is: 450,428,811.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,076,685,069.06 : 1,615,040,419.68 = 300,283,491.60 : x
  2. Step 2: Convert to fraction form
    1,076,685,069.06/1,615,040,419.68 = 300,283,491.60/x
  3. Step 3: Cross multiply
    1,076,685,069.06x = 1,615,040,419.68 × 300,283,491.60
  4. Step 4: Simplify right side
    1,076,685,069.06x = 484,969,976,296,639,808
  5. Step 5: Solve for x
    x = 484,969,976,296,639,808/1,076,685,069.06
  6. Step 6: Final answer
    x = 450,428,811.76

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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.