Home / 1,078,787,523.60-1,618,937,112.60-691,552,054.80

Finding the Fourth Proportional to 1,078,787,523.60, 1,618,937,112.60 and 691,552,054.80

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Solution

The fourth proportional to 1,078,787,523.60, 1,618,937,112.60 and 691,552,054.80 is: 1,037,812,601.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,787,523.60 : 1,618,937,112.60 = 691,552,054.80 : x
  2. Step 2: Convert to fraction form
    1,078,787,523.60/1,618,937,112.60 = 691,552,054.80/x
  3. Step 3: Cross multiply
    1,078,787,523.60x = 1,618,937,112.60 × 691,552,054.80
  4. Step 4: Simplify right side
    1,078,787,523.60x = 1,119,579,286,810,508,800
  5. Step 5: Solve for x
    x = 1,119,579,286,810,508,800/1,078,787,523.60
  6. Step 6: Final answer
    x = 1,037,812,601.94

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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.