Home / 467,520,949.60-701,281,424.40-212,219,317.60

Finding the Fourth Proportional to 467,520,949.60, 701,281,424.40 and 212,219,317.60

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Solution

The fourth proportional to 467,520,949.60, 701,281,424.40 and 212,219,317.60 is: 318,328,976.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,520,949.60 : 701,281,424.40 = 212,219,317.60 : x
  2. Step 2: Convert to fraction form
    467,520,949.60/701,281,424.40 = 212,219,317.60/x
  3. Step 3: Cross multiply
    467,520,949.60x = 701,281,424.40 × 212,219,317.60
  4. Step 4: Simplify right side
    467,520,949.60x = 148,825,465,331,723,968
  5. Step 5: Solve for x
    x = 148,825,465,331,723,968/467,520,949.60
  6. Step 6: Final answer
    x = 318,328,976.40

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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.