Home / 1,390,361,850.60-2,086,886,468.70-846,166,266.60

Finding the Fourth Proportional to 1,390,361,850.60, 2,086,886,468.70 and 846,166,266.60

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Solution

The fourth proportional to 1,390,361,850.60, 2,086,886,468.70 and 846,166,266.60 is: 1,270,067,163.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,390,361,850.60 : 2,086,886,468.70 = 846,166,266.60 : x
  2. Step 2: Convert to fraction form
    1,390,361,850.60/2,086,886,468.70 = 846,166,266.60/x
  3. Step 3: Cross multiply
    1,390,361,850.60x = 2,086,886,468.70 × 846,166,266.60
  4. Step 4: Simplify right side
    1,390,361,850.60x = 1,765,852,932,037,936,896
  5. Step 5: Solve for x
    x = 1,765,852,932,037,936,896/1,390,361,850.60
  6. Step 6: Final answer
    x = 1,270,067,163.65

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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.