Home / 751,393,025.60-1,127,089,538.40-206,133,684.80

Finding the Fourth Proportional to 751,393,025.60, 1,127,089,538.40 and 206,133,684.80

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Solution

The fourth proportional to 751,393,025.60, 1,127,089,538.40 and 206,133,684.80 is: 309,200,527.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,393,025.60 : 1,127,089,538.40 = 206,133,684.80 : x
  2. Step 2: Convert to fraction form
    751,393,025.60/1,127,089,538.40 = 206,133,684.80/x
  3. Step 3: Cross multiply
    751,393,025.60x = 1,127,089,538.40 × 206,133,684.80
  4. Step 4: Simplify right side
    751,393,025.60x = 232,331,119,649,923,136
  5. Step 5: Solve for x
    x = 232,331,119,649,923,136/751,393,025.60
  6. Step 6: Final answer
    x = 309,200,527.20

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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.