Home / 677,014,729.70-1,015,522,094.55-289,594,240.70

Finding the Fourth Proportional to 677,014,729.70, 1,015,522,094.55 and 289,594,240.70

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Solution

The fourth proportional to 677,014,729.70, 1,015,522,094.55 and 289,594,240.70 is: 434,391,361.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,014,729.70 : 1,015,522,094.55 = 289,594,240.70 : x
  2. Step 2: Convert to fraction form
    677,014,729.70/1,015,522,094.55 = 289,594,240.70/x
  3. Step 3: Cross multiply
    677,014,729.70x = 1,015,522,094.55 × 289,594,240.70
  4. Step 4: Simplify right side
    677,014,729.70x = 294,089,349,885,280,832
  5. Step 5: Solve for x
    x = 294,089,349,885,280,832/677,014,729.70
  6. Step 6: Final answer
    x = 434,391,361.05

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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.