Home / 326,446,501.85-489,032,023.58-196,668,609.65

Finding the Fourth Proportional to 326,446,501.85, 489,032,023.58 and 196,668,609.65

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Solution

The fourth proportional to 326,446,501.85, 489,032,023.58 and 196,668,609.65 is: 294,618,712.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,446,501.85 : 489,032,023.58 = 196,668,609.65 : x
  2. Step 2: Convert to fraction form
    326,446,501.85/489,032,023.58 = 196,668,609.65/x
  3. Step 3: Cross multiply
    326,446,501.85x = 489,032,023.58 × 196,668,609.65
  4. Step 4: Simplify right side
    326,446,501.85x = 96,177,248,150,821,280
  5. Step 5: Solve for x
    x = 96,177,248,150,821,280/326,446,501.85
  6. Step 6: Final answer
    x = 294,618,712.73

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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.