Home / 393,089,010.60-589,633,515.90-302,389,746.60

Finding the Fourth Proportional to 393,089,010.60, 589,633,515.90 and 302,389,746.60

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Solution

The fourth proportional to 393,089,010.60, 589,633,515.90 and 302,389,746.60 is: 453,584,619.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,089,010.60 : 589,633,515.90 = 302,389,746.60 : x
  2. Step 2: Convert to fraction form
    393,089,010.60/589,633,515.90 = 302,389,746.60/x
  3. Step 3: Cross multiply
    393,089,010.60x = 589,633,515.90 × 302,389,746.60
  4. Step 4: Simplify right side
    393,089,010.60x = 178,299,129,459,868,064
  5. Step 5: Solve for x
    x = 178,299,129,459,868,064/393,089,010.60
  6. Step 6: Final answer
    x = 453,584,619.90

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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.