Home / 295,488,015.90-443,232,023.85-198,742,134.30

Finding the Fourth Proportional to 295,488,015.90, 443,232,023.85 and 198,742,134.30

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Solution

The fourth proportional to 295,488,015.90, 443,232,023.85 and 198,742,134.30 is: 298,113,201.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,488,015.90 : 443,232,023.85 = 198,742,134.30 : x
  2. Step 2: Convert to fraction form
    295,488,015.90/443,232,023.85 = 198,742,134.30/x
  3. Step 3: Cross multiply
    295,488,015.90x = 443,232,023.85 × 198,742,134.30
  4. Step 4: Simplify right side
    295,488,015.90x = 88,088,878,410,057,520
  5. Step 5: Solve for x
    x = 88,088,878,410,057,520/295,488,015.90
  6. Step 6: Final answer
    x = 298,113,201.45

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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.