Home / 1,089,021,807.60-1,633,532,711.40-271,134,108.60

Finding the Fourth Proportional to 1,089,021,807.60, 1,633,532,711.40 and 271,134,108.60

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Solution

The fourth proportional to 1,089,021,807.60, 1,633,532,711.40 and 271,134,108.60 is: 406,701,162.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089,021,807.60 : 1,633,532,711.40 = 271,134,108.60 : x
  2. Step 2: Convert to fraction form
    1,089,021,807.60/1,633,532,711.40 = 271,134,108.60/x
  3. Step 3: Cross multiply
    1,089,021,807.60x = 1,633,532,711.40 × 271,134,108.60
  4. Step 4: Simplify right side
    1,089,021,807.60x = 442,906,435,574,380,096
  5. Step 5: Solve for x
    x = 442,906,435,574,380,096/1,089,021,807.60
  6. Step 6: Final answer
    x = 406,701,162.90

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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.