Home / 1,203,800,811,129.10-1,661,245,390,519.50-662,477,532,873.81

Finding the Fourth Proportional to 1,203,800,811,129.10, 1,661,245,390,519.50 and 662,477,532,873.81

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Solution

The fourth proportional to 1,203,800,811,129.10, 1,661,245,390,519.50 and 662,477,532,873.81 is: 914,219,144,591.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,203,800,811,129.10 : 1,661,245,390,519.50 = 662,477,532,873.81 : x
  2. Step 2: Convert to fraction form
    1,203,800,811,129.10/1,661,245,390,519.50 = 662,477,532,873.81/x
  3. Step 3: Cross multiply
    1,203,800,811,129.10x = 1,661,245,390,519.50 × 662,477,532,873.81
  4. Step 4: Simplify right side
    1,203,800,811,129.10x = 1,100,537,747,809,347,538,255,872
  5. Step 5: Solve for x
    x = 1,100,537,747,809,347,538,255,872/1,203,800,811,129.10
  6. Step 6: Final answer
    x = 914,219,144,591.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.