Home / 2,980,340,762.21-4,112,684,936.41-1,642,155,965.75

Finding the Fourth Proportional to 2,980,340,762.21, 4,112,684,936.41 and 1,642,155,965.75

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Solution

The fourth proportional to 2,980,340,762.21, 4,112,684,936.41 and 1,642,155,965.75 is: 2,266,073,124.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,980,340,762.21 : 4,112,684,936.41 = 1,642,155,965.75 : x
  2. Step 2: Convert to fraction form
    2,980,340,762.21/4,112,684,936.41 = 1,642,155,965.75/x
  3. Step 3: Cross multiply
    2,980,340,762.21x = 4,112,684,936.41 × 1,642,155,965.75
  4. Step 4: Simplify right side
    2,980,340,762.21x = 6,753,670,103,584,972,800
  5. Step 5: Solve for x
    x = 6,753,670,103,584,972,800/2,980,340,762.21
  6. Step 6: Final answer
    x = 2,266,073,124.67

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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.