Home / 801,217,648.44-1,105,686,846.83-443,991,392.08

Finding the Fourth Proportional to 801,217,648.44, 1,105,686,846.83 and 443,991,392.08

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Solution

The fourth proportional to 801,217,648.44, 1,105,686,846.83 and 443,991,392.08 is: 612,711,718.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,217,648.44 : 1,105,686,846.83 = 443,991,392.08 : x
  2. Step 2: Convert to fraction form
    801,217,648.44/1,105,686,846.83 = 443,991,392.08/x
  3. Step 3: Cross multiply
    801,217,648.44x = 1,105,686,846.83 × 443,991,392.08
  4. Step 4: Simplify right side
    801,217,648.44x = 490,915,442,326,943,168
  5. Step 5: Solve for x
    x = 490,915,442,326,943,168/801,217,648.44
  6. Step 6: Final answer
    x = 612,711,718.57

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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.