Home / 1,992,907,903.60-2,989,361,855.40-1,373,035,121.20

Finding the Fourth Proportional to 1,992,907,903.60, 2,989,361,855.40 and 1,373,035,121.20

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Solution

The fourth proportional to 1,992,907,903.60, 2,989,361,855.40 and 1,373,035,121.20 is: 2,059,552,681.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,992,907,903.60 : 2,989,361,855.40 = 1,373,035,121.20 : x
  2. Step 2: Convert to fraction form
    1,992,907,903.60/2,989,361,855.40 = 1,373,035,121.20/x
  3. Step 3: Cross multiply
    1,992,907,903.60x = 2,989,361,855.40 × 1,373,035,121.20
  4. Step 4: Simplify right side
    1,992,907,903.60x = 4,104,498,817,439,796,224
  5. Step 5: Solve for x
    x = 4,104,498,817,439,796,224/1,992,907,903.60
  6. Step 6: Final answer
    x = 2,059,552,681.80

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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.