Home / 1,245,843,548.20-1,868,765,322.30-1,043,281,858.60

Finding the Fourth Proportional to 1,245,843,548.20, 1,868,765,322.30 and 1,043,281,858.60

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Solution

The fourth proportional to 1,245,843,548.20, 1,868,765,322.30 and 1,043,281,858.60 is: 1,564,922,787.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,245,843,548.20 : 1,868,765,322.30 = 1,043,281,858.60 : x
  2. Step 2: Convert to fraction form
    1,245,843,548.20/1,868,765,322.30 = 1,043,281,858.60/x
  3. Step 3: Cross multiply
    1,245,843,548.20x = 1,868,765,322.30 × 1,043,281,858.60
  4. Step 4: Simplify right side
    1,245,843,548.20x = 1,949,648,958,736,371,968
  5. Step 5: Solve for x
    x = 1,949,648,958,736,371,968/1,245,843,548.20
  6. Step 6: Final answer
    x = 1,564,922,787.90

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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.