Home / 1,492,992,912.60-2,239,489,368.90-1,374,747,946.20

Finding the Fourth Proportional to 1,492,992,912.60, 2,239,489,368.90 and 1,374,747,946.20

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Solution

The fourth proportional to 1,492,992,912.60, 2,239,489,368.90 and 1,374,747,946.20 is: 2,062,121,919.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,492,992,912.60 : 2,239,489,368.90 = 1,374,747,946.20 : x
  2. Step 2: Convert to fraction form
    1,492,992,912.60/2,239,489,368.90 = 1,374,747,946.20/x
  3. Step 3: Cross multiply
    1,492,992,912.60x = 2,239,489,368.90 × 1,374,747,946.20
  4. Step 4: Simplify right side
    1,492,992,912.60x = 3,078,733,410,432,009,216
  5. Step 5: Solve for x
    x = 3,078,733,410,432,009,216/1,492,992,912.60
  6. Step 6: Final answer
    x = 2,062,121,919.30

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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.