Home / 2,980,621,820.43-4,113,285,314.37-1,642,559,919.75

Finding the Fourth Proportional to 2,980,621,820.43, 4,113,285,314.37 and 1,642,559,919.75

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Solution

The fourth proportional to 2,980,621,820.43, 4,113,285,314.37 and 1,642,559,919.75 is: 2,266,747,679.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,980,621,820.43 : 4,113,285,314.37 = 1,642,559,919.75 : x
  2. Step 2: Convert to fraction form
    2,980,621,820.43/4,113,285,314.37 = 1,642,559,919.75/x
  3. Step 3: Cross multiply
    2,980,621,820.43x = 4,113,285,314.37 × 1,642,559,919.75
  4. Step 4: Simplify right side
    2,980,621,820.43x = 6,756,317,595,880,440,832
  5. Step 5: Solve for x
    x = 6,756,317,595,880,440,832/2,980,621,820.43
  6. Step 6: Final answer
    x = 2,266,747,679.82

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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.