Home / 1,299,081,971.20-1,948,622,956.80-1,023,582,956.80

Finding the Fourth Proportional to 1,299,081,971.20, 1,948,622,956.80 and 1,023,582,956.80

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Solution

The fourth proportional to 1,299,081,971.20, 1,948,622,956.80 and 1,023,582,956.80 is: 1,535,374,435.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,299,081,971.20 : 1,948,622,956.80 = 1,023,582,956.80 : x
  2. Step 2: Convert to fraction form
    1,299,081,971.20/1,948,622,956.80 = 1,023,582,956.80/x
  3. Step 3: Cross multiply
    1,299,081,971.20x = 1,948,622,956.80 × 1,023,582,956.80
  4. Step 4: Simplify right side
    1,299,081,971.20x = 1,994,577,247,809,702,400
  5. Step 5: Solve for x
    x = 1,994,577,247,809,702,400/1,299,081,971.20
  6. Step 6: Final answer
    x = 1,535,374,435.20

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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.