Home / 853,147,673,097.15-1,177,431,540,215.20-519,077,649,346.77

Finding the Fourth Proportional to 853,147,673,097.15, 1,177,431,540,215.20 and 519,077,649,346.77

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Solution

The fourth proportional to 853,147,673,097.15, 1,177,431,540,215.20 and 519,077,649,346.77 is: 716,380,546,339.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,147,673,097.15 : 1,177,431,540,215.20 = 519,077,649,346.77 : x
  2. Step 2: Convert to fraction form
    853,147,673,097.15/1,177,431,540,215.20 = 519,077,649,346.77/x
  3. Step 3: Cross multiply
    853,147,673,097.15x = 1,177,431,540,215.20 × 519,077,649,346.77
  4. Step 4: Simplify right side
    853,147,673,097.15x = 611,178,396,161,652,931,166,208
  5. Step 5: Solve for x
    x = 611,178,396,161,652,931,166,208/853,147,673,097.15
  6. Step 6: Final answer
    x = 716,380,546,339.55

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Double scale
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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.