Home / 2,980,621,817.31-4,113,285,310.07-1,642,559,916.63

Finding the Fourth Proportional to 2,980,621,817.31, 4,113,285,310.07 and 1,642,559,916.63

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Solution

The fourth proportional to 2,980,621,817.31, 4,113,285,310.07 and 1,642,559,916.63 is: 2,266,747,675.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,980,621,817.31 : 4,113,285,310.07 = 1,642,559,916.63 : x
  2. Step 2: Convert to fraction form
    2,980,621,817.31/4,113,285,310.07 = 1,642,559,916.63/x
  3. Step 3: Cross multiply
    2,980,621,817.31x = 4,113,285,310.07 × 1,642,559,916.63
  4. Step 4: Simplify right side
    2,980,621,817.31x = 6,756,317,575,983,983,616
  5. Step 5: Solve for x
    x = 6,756,317,575,983,983,616/2,980,621,817.31
  6. Step 6: Final answer
    x = 2,266,747,675.52

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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.