Home / 298,685,704.40-448,028,556.60-238,219,528.40

Finding the Fourth Proportional to 298,685,704.40, 448,028,556.60 and 238,219,528.40

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Solution

The fourth proportional to 298,685,704.40, 448,028,556.60 and 238,219,528.40 is: 357,329,292.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,685,704.40 : 448,028,556.60 = 238,219,528.40 : x
  2. Step 2: Convert to fraction form
    298,685,704.40/448,028,556.60 = 238,219,528.40/x
  3. Step 3: Cross multiply
    298,685,704.40x = 448,028,556.60 × 238,219,528.40
  4. Step 4: Simplify right side
    298,685,704.40x = 106,729,151,462,984,720
  5. Step 5: Solve for x
    x = 106,729,151,462,984,720/298,685,704.40
  6. Step 6: Final answer
    x = 357,329,292.60

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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.