Home / 874,441,924.66-1,311,892,846.80-314,260,300.54

Finding the Fourth Proportional to 874,441,924.66, 1,311,892,846.80 and 314,260,300.54

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Solution

The fourth proportional to 874,441,924.66, 1,311,892,846.80 and 314,260,300.54 is: 471,473,094.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,441,924.66 : 1,311,892,846.80 = 314,260,300.54 : x
  2. Step 2: Convert to fraction form
    874,441,924.66/1,311,892,846.80 = 314,260,300.54/x
  3. Step 3: Cross multiply
    874,441,924.66x = 1,311,892,846.80 × 314,260,300.54
  4. Step 4: Simplify right side
    874,441,924.66x = 412,275,840,311,644,160
  5. Step 5: Solve for x
    x = 412,275,840,311,644,160/874,441,924.66
  6. Step 6: Final answer
    x = 471,473,094.65

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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.