Home / 693,767,040.41-957,310,254.50-396,428,556.53

Finding the Fourth Proportional to 693,767,040.41, 957,310,254.50 and 396,428,556.53

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Solution

The fourth proportional to 693,767,040.41, 957,310,254.50 and 396,428,556.53 is: 547,020,974.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,767,040.41 : 957,310,254.50 = 396,428,556.53 : x
  2. Step 2: Convert to fraction form
    693,767,040.41/957,310,254.50 = 396,428,556.53/x
  3. Step 3: Cross multiply
    693,767,040.41x = 957,310,254.50 × 396,428,556.53
  4. Step 4: Simplify right side
    693,767,040.41x = 379,505,122,336,033,216
  5. Step 5: Solve for x
    x = 379,505,122,336,033,216/693,767,040.41
  6. Step 6: Final answer
    x = 547,020,974.24

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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.