Home / 1,938,949,008.76-2,912,728,185.78-1,202,563,102.60

Finding the Fourth Proportional to 1,938,949,008.76, 2,912,728,185.78 and 1,202,563,102.60

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Solution

The fourth proportional to 1,938,949,008.76, 2,912,728,185.78 and 1,202,563,102.60 is: 1,806,514,471.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,938,949,008.76 : 2,912,728,185.78 = 1,202,563,102.60 : x
  2. Step 2: Convert to fraction form
    1,938,949,008.76/2,912,728,185.78 = 1,202,563,102.60/x
  3. Step 3: Cross multiply
    1,938,949,008.76x = 2,912,728,185.78 × 1,202,563,102.60
  4. Step 4: Simplify right side
    1,938,949,008.76x = 3,502,739,444,122,065,920
  5. Step 5: Solve for x
    x = 3,502,739,444,122,065,920/1,938,949,008.76
  6. Step 6: Final answer
    x = 1,806,514,471.65

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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.