Home / 262,197,730.80-393,296,596.20-165,262,892.40

Finding the Fourth Proportional to 262,197,730.80, 393,296,596.20 and 165,262,892.40

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Solution

The fourth proportional to 262,197,730.80, 393,296,596.20 and 165,262,892.40 is: 247,894,338.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,197,730.80 : 393,296,596.20 = 165,262,892.40 : x
  2. Step 2: Convert to fraction form
    262,197,730.80/393,296,596.20 = 165,262,892.40/x
  3. Step 3: Cross multiply
    262,197,730.80x = 393,296,596.20 × 165,262,892.40
  4. Step 4: Simplify right side
    262,197,730.80x = 64,997,333,059,086,848
  5. Step 5: Solve for x
    x = 64,997,333,059,086,848/262,197,730.80
  6. Step 6: Final answer
    x = 247,894,338.60

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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.