Home / 1,340,494,285.80-2,010,741,428.70-1,243,748,404.20

Finding the Fourth Proportional to 1,340,494,285.80, 2,010,741,428.70 and 1,243,748,404.20

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Solution

The fourth proportional to 1,340,494,285.80, 2,010,741,428.70 and 1,243,748,404.20 is: 1,865,622,606.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340,494,285.80 : 2,010,741,428.70 = 1,243,748,404.20 : x
  2. Step 2: Convert to fraction form
    1,340,494,285.80/2,010,741,428.70 = 1,243,748,404.20/x
  3. Step 3: Cross multiply
    1,340,494,285.80x = 2,010,741,428.70 × 1,243,748,404.20
  4. Step 4: Simplify right side
    1,340,494,285.80x = 2,500,856,443,204,453,376
  5. Step 5: Solve for x
    x = 2,500,856,443,204,453,376/1,340,494,285.80
  6. Step 6: Final answer
    x = 1,865,622,606.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.