Home / 670,375,331.37-1,005,789,050.46-296,832,219.75

Finding the Fourth Proportional to 670,375,331.37, 1,005,789,050.46 and 296,832,219.75

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Solution

The fourth proportional to 670,375,331.37, 1,005,789,050.46 and 296,832,219.75 is: 445,348,422.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,375,331.37 : 1,005,789,050.46 = 296,832,219.75 : x
  2. Step 2: Convert to fraction form
    670,375,331.37/1,005,789,050.46 = 296,832,219.75/x
  3. Step 3: Cross multiply
    670,375,331.37x = 1,005,789,050.46 × 296,832,219.75
  4. Step 4: Simplify right side
    670,375,331.37x = 298,550,596,448,286,592
  5. Step 5: Solve for x
    x = 298,550,596,448,286,592/670,375,331.37
  6. Step 6: Final answer
    x = 445,348,422.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.