Home / 252,742,905.60-379,114,358.40-206,826,403.20

Finding the Fourth Proportional to 252,742,905.60, 379,114,358.40 and 206,826,403.20

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Solution

The fourth proportional to 252,742,905.60, 379,114,358.40 and 206,826,403.20 is: 310,239,604.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,742,905.60 : 379,114,358.40 = 206,826,403.20 : x
  2. Step 2: Convert to fraction form
    252,742,905.60/379,114,358.40 = 206,826,403.20/x
  3. Step 3: Cross multiply
    252,742,905.60x = 379,114,358.40 × 206,826,403.20
  4. Step 4: Simplify right side
    252,742,905.60x = 78,410,859,149,347,696
  5. Step 5: Solve for x
    x = 78,410,859,149,347,696/252,742,905.60
  6. Step 6: Final answer
    x = 310,239,604.80

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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.