Home / 1,863,715,127.92-2,571,980,709-1,028,393,491.12

Finding the Fourth Proportional to 1,863,715,127.92, 2,571,980,709 and 1,028,393,491.12

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Solution

The fourth proportional to 1,863,715,127.92, 2,571,980,709 and 1,028,393,491.12 is: 1,419,212,722.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,863,715,127.92 : 2,571,980,709 = 1,028,393,491.12 : x
  2. Step 2: Convert to fraction form
    1,863,715,127.92/2,571,980,709 = 1,028,393,491.12/x
  3. Step 3: Cross multiply
    1,863,715,127.92x = 2,571,980,709 × 1,028,393,491.12
  4. Step 4: Simplify right side
    1,863,715,127.92x = 2,645,008,220,421,803,008
  5. Step 5: Solve for x
    x = 2,645,008,220,421,803,008/1,863,715,127.92
  6. Step 6: Final answer
    x = 1,419,212,722.37

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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.