Home / 189,199,400,394.39-261,096,800,512.77-107,913,338,950.84

Finding the Fourth Proportional to 189,199,400,394.39, 261,096,800,512.77 and 107,913,338,950.84

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Solution

The fourth proportional to 189,199,400,394.39, 261,096,800,512.77 and 107,913,338,950.84 is: 148,921,336,293.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,199,400,394.39 : 261,096,800,512.77 = 107,913,338,950.84 : x
  2. Step 2: Convert to fraction form
    189,199,400,394.39/261,096,800,512.77 = 107,913,338,950.84/x
  3. Step 3: Cross multiply
    189,199,400,394.39x = 261,096,800,512.77 × 107,913,338,950.84
  4. Step 4: Simplify right side
    189,199,400,394.39x = 28,175,827,532,714,401,071,104
  5. Step 5: Solve for x
    x = 28,175,827,532,714,401,071,104/189,199,400,394.39
  6. Step 6: Final answer
    x = 148,921,336,293.78

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1.5x scale

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.