Home / 295,488,301.20-443,232,451.80-198,742,419.60

Finding the Fourth Proportional to 295,488,301.20, 443,232,451.80 and 198,742,419.60

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Solution

The fourth proportional to 295,488,301.20, 443,232,451.80 and 198,742,419.60 is: 298,113,629.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,488,301.20 : 443,232,451.80 = 198,742,419.60 : x
  2. Step 2: Convert to fraction form
    295,488,301.20/443,232,451.80 = 198,742,419.60/x
  3. Step 3: Cross multiply
    295,488,301.20x = 443,232,451.80 × 198,742,419.60
  4. Step 4: Simplify right side
    295,488,301.20x = 88,089,089,915,972,368
  5. Step 5: Solve for x
    x = 88,089,089,915,972,368/295,488,301.20
  6. Step 6: Final answer
    x = 298,113,629.40

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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.