Home / 326,606,492.40-489,909,738.60-269,919,452.40

Finding the Fourth Proportional to 326,606,492.40, 489,909,738.60 and 269,919,452.40

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Solution

The fourth proportional to 326,606,492.40, 489,909,738.60 and 269,919,452.40 is: 404,879,178.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,606,492.40 : 489,909,738.60 = 269,919,452.40 : x
  2. Step 2: Convert to fraction form
    326,606,492.40/489,909,738.60 = 269,919,452.40/x
  3. Step 3: Cross multiply
    326,606,492.40x = 489,909,738.60 × 269,919,452.40
  4. Step 4: Simplify right side
    326,606,492.40x = 132,236,168,368,339,136
  5. Step 5: Solve for x
    x = 132,236,168,368,339,136/326,606,492.40
  6. Step 6: Final answer
    x = 404,879,178.60

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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.