Home / 326,629,989,021.60-489,944,983,532.40-326,629,989,021.60

Finding the Fourth Proportional to 326,629,989,021.60, 489,944,983,532.40 and 326,629,989,021.60

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Solution

The fourth proportional to 326,629,989,021.60, 489,944,983,532.40 and 326,629,989,021.60 is: 489,944,983,532.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,629,989,021.60 : 489,944,983,532.40 = 326,629,989,021.60 : x
  2. Step 2: Convert to fraction form
    326,629,989,021.60/489,944,983,532.40 = 326,629,989,021.60/x
  3. Step 3: Cross multiply
    326,629,989,021.60x = 489,944,983,532.40 × 326,629,989,021.60
  4. Step 4: Simplify right side
    326,629,989,021.60x = 160,030,724,592,375,796,072,448
  5. Step 5: Solve for x
    x = 160,030,724,592,375,796,072,448/326,629,989,021.60
  6. Step 6: Final answer
    x = 489,944,983,532.40

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Double scale
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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.