Home / 677,014,728.70-1,015,522,093.05-289,594,239.70

Finding the Fourth Proportional to 677,014,728.70, 1,015,522,093.05 and 289,594,239.70

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Solution

The fourth proportional to 677,014,728.70, 1,015,522,093.05 and 289,594,239.70 is: 434,391,359.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,014,728.70 : 1,015,522,093.05 = 289,594,239.70 : x
  2. Step 2: Convert to fraction form
    677,014,728.70/1,015,522,093.05 = 289,594,239.70/x
  3. Step 3: Cross multiply
    677,014,728.70x = 1,015,522,093.05 × 289,594,239.70
  4. Step 4: Simplify right side
    677,014,728.70x = 294,089,348,435,367,360
  5. Step 5: Solve for x
    x = 294,089,348,435,367,360/677,014,728.70
  6. Step 6: Final answer
    x = 434,391,359.55

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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.