Home / 295,488,002.70-443,232,004.05-198,742,121.10

Finding the Fourth Proportional to 295,488,002.70, 443,232,004.05 and 198,742,121.10

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Solution

The fourth proportional to 295,488,002.70, 443,232,004.05 and 198,742,121.10 is: 298,113,181.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,488,002.70 : 443,232,004.05 = 198,742,121.10 : x
  2. Step 2: Convert to fraction form
    295,488,002.70/443,232,004.05 = 198,742,121.10/x
  3. Step 3: Cross multiply
    295,488,002.70x = 443,232,004.05 × 198,742,121.10
  4. Step 4: Simplify right side
    295,488,002.70x = 88,088,868,624,300,784
  5. Step 5: Solve for x
    x = 88,088,868,624,300,784/295,488,002.70
  6. Step 6: Final answer
    x = 298,113,181.65

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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.