Home / 2,980,621,817.44-4,113,285,310.24-1,642,559,916.76

Finding the Fourth Proportional to 2,980,621,817.44, 4,113,285,310.24 and 1,642,559,916.76

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Solution

The fourth proportional to 2,980,621,817.44, 4,113,285,310.24 and 1,642,559,916.76 is: 2,266,747,675.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,980,621,817.44 : 4,113,285,310.24 = 1,642,559,916.76 : x
  2. Step 2: Convert to fraction form
    2,980,621,817.44/4,113,285,310.24 = 1,642,559,916.76/x
  3. Step 3: Cross multiply
    2,980,621,817.44x = 4,113,285,310.24 × 1,642,559,916.76
  4. Step 4: Simplify right side
    2,980,621,817.44x = 6,756,317,576,783,390,720
  5. Step 5: Solve for x
    x = 6,756,317,576,783,390,720/2,980,621,817.44
  6. Step 6: Final answer
    x = 2,266,747,675.69

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Double scale
Find fourth proportional to 2,980,621,818.44, 4,113,285,311.62 and 1,642,559,917.76
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1.5x scale

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.