Home / 393,089,007.60-589,633,511.40-302,389,743.60

Finding the Fourth Proportional to 393,089,007.60, 589,633,511.40 and 302,389,743.60

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Solution

The fourth proportional to 393,089,007.60, 589,633,511.40 and 302,389,743.60 is: 453,584,615.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,089,007.60 : 589,633,511.40 = 302,389,743.60 : x
  2. Step 2: Convert to fraction form
    393,089,007.60/589,633,511.40 = 302,389,743.60/x
  3. Step 3: Cross multiply
    393,089,007.60x = 589,633,511.40 × 302,389,743.60
  4. Step 4: Simplify right side
    393,089,007.60x = 178,299,126,330,213,696
  5. Step 5: Solve for x
    x = 178,299,126,330,213,696/393,089,007.60
  6. Step 6: Final answer
    x = 453,584,615.40

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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.