Home / 326,599,205.40-489,898,808.10-122,100,708.60

Finding the Fourth Proportional to 326,599,205.40, 489,898,808.10 and 122,100,708.60

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Solution

The fourth proportional to 326,599,205.40, 489,898,808.10 and 122,100,708.60 is: 183,151,062.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,599,205.40 : 489,898,808.10 = 122,100,708.60 : x
  2. Step 2: Convert to fraction form
    326,599,205.40/489,898,808.10 = 122,100,708.60/x
  3. Step 3: Cross multiply
    326,599,205.40x = 489,898,808.10 × 122,100,708.60
  4. Step 4: Simplify right side
    326,599,205.40x = 59,816,991,611,305,416
  5. Step 5: Solve for x
    x = 59,816,991,611,305,416/326,599,205.40
  6. Step 6: Final answer
    x = 183,151,062.90

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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.