Home / 326,446,321.60-489,031,753.20-196,668,429.40

Finding the Fourth Proportional to 326,446,321.60, 489,031,753.20 and 196,668,429.40

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Solution

The fourth proportional to 326,446,321.60, 489,031,753.20 and 196,668,429.40 is: 294,618,442.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,446,321.60 : 489,031,753.20 = 196,668,429.40 : x
  2. Step 2: Convert to fraction form
    326,446,321.60/489,031,753.20 = 196,668,429.40/x
  3. Step 3: Cross multiply
    326,446,321.60x = 489,031,753.20 × 196,668,429.40
  4. Step 4: Simplify right side
    326,446,321.60x = 96,177,106,828,572,432
  5. Step 5: Solve for x
    x = 96,177,106,828,572,432/326,446,321.60
  6. Step 6: Final answer
    x = 294,618,442.50

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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.