Home / 2,980,621,817.82-4,113,285,310.76-1,642,559,917.14

Finding the Fourth Proportional to 2,980,621,817.82, 4,113,285,310.76 and 1,642,559,917.14

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Solution

The fourth proportional to 2,980,621,817.82, 4,113,285,310.76 and 1,642,559,917.14 is: 2,266,747,676.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,980,621,817.82 : 4,113,285,310.76 = 1,642,559,917.14 : x
  2. Step 2: Convert to fraction form
    2,980,621,817.82/4,113,285,310.76 = 1,642,559,917.14/x
  3. Step 3: Cross multiply
    2,980,621,817.82x = 4,113,285,310.76 × 1,642,559,917.14
  4. Step 4: Simplify right side
    2,980,621,817.82x = 6,756,317,579,206,913,024
  5. Step 5: Solve for x
    x = 6,756,317,579,206,913,024/2,980,621,817.82
  6. Step 6: Final answer
    x = 2,266,747,676.21

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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.