Home / 1,455,351,369.60-2,183,027,054.40-800,049,187.20

Finding the Fourth Proportional to 1,455,351,369.60, 2,183,027,054.40 and 800,049,187.20

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Solution

The fourth proportional to 1,455,351,369.60, 2,183,027,054.40 and 800,049,187.20 is: 1,200,073,780.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,455,351,369.60 : 2,183,027,054.40 = 800,049,187.20 : x
  2. Step 2: Convert to fraction form
    1,455,351,369.60/2,183,027,054.40 = 800,049,187.20/x
  3. Step 3: Cross multiply
    1,455,351,369.60x = 2,183,027,054.40 × 800,049,187.20
  4. Step 4: Simplify right side
    1,455,351,369.60x = 1,746,529,020,508,330,240
  5. Step 5: Solve for x
    x = 1,746,529,020,508,330,240/1,455,351,369.60
  6. Step 6: Final answer
    x = 1,200,073,780.80

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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.