Home / 2,612,980,809.60-3,919,471,214.40-889,694,793.60

Finding the Fourth Proportional to 2,612,980,809.60, 3,919,471,214.40 and 889,694,793.60

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Solution

The fourth proportional to 2,612,980,809.60, 3,919,471,214.40 and 889,694,793.60 is: 1,334,542,190.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,612,980,809.60 : 3,919,471,214.40 = 889,694,793.60 : x
  2. Step 2: Convert to fraction form
    2,612,980,809.60/3,919,471,214.40 = 889,694,793.60/x
  3. Step 3: Cross multiply
    2,612,980,809.60x = 3,919,471,214.40 × 889,694,793.60
  4. Step 4: Simplify right side
    2,612,980,809.60x = 3,487,133,133,116,749,312
  5. Step 5: Solve for x
    x = 3,487,133,133,116,749,312/2,612,980,809.60
  6. Step 6: Final answer
    x = 1,334,542,190.40

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1.5x scale

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.