Home / 332,928,015.80-499,392,023.70-212,294,262.20

Finding the Fourth Proportional to 332,928,015.80, 499,392,023.70 and 212,294,262.20

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Solution

The fourth proportional to 332,928,015.80, 499,392,023.70 and 212,294,262.20 is: 318,441,393.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,928,015.80 : 499,392,023.70 = 212,294,262.20 : x
  2. Step 2: Convert to fraction form
    332,928,015.80/499,392,023.70 = 212,294,262.20/x
  3. Step 3: Cross multiply
    332,928,015.80x = 499,392,023.70 × 212,294,262.20
  4. Step 4: Simplify right side
    332,928,015.80x = 106,018,061,219,956,400
  5. Step 5: Solve for x
    x = 106,018,061,219,956,400/332,928,015.80
  6. Step 6: Final answer
    x = 318,441,393.30

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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.