Home / 1,843,880,965.50-2,542,947,623.34-1,306,970,650.30

Finding the Fourth Proportional to 1,843,880,965.50, 2,542,947,623.34 and 1,306,970,650.30

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Solution

The fourth proportional to 1,843,880,965.50, 2,542,947,623.34 and 1,306,970,650.30 is: 1,802,479,645.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,843,880,965.50 : 2,542,947,623.34 = 1,306,970,650.30 : x
  2. Step 2: Convert to fraction form
    1,843,880,965.50/2,542,947,623.34 = 1,306,970,650.30/x
  3. Step 3: Cross multiply
    1,843,880,965.50x = 2,542,947,623.34 × 1,306,970,650.30
  4. Step 4: Simplify right side
    1,843,880,965.50x = 3,323,557,908,955,519,488
  5. Step 5: Solve for x
    x = 3,323,557,908,955,519,488/1,843,880,965.50
  6. Step 6: Final answer
    x = 1,802,479,645.45

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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.