Home / 326,729,996.40-490,094,994.60-324,816,808.80

Finding the Fourth Proportional to 326,729,996.40, 490,094,994.60 and 324,816,808.80

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Solution

The fourth proportional to 326,729,996.40, 490,094,994.60 and 324,816,808.80 is: 487,225,213.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,729,996.40 : 490,094,994.60 = 324,816,808.80 : x
  2. Step 2: Convert to fraction form
    326,729,996.40/490,094,994.60 = 324,816,808.80/x
  3. Step 3: Cross multiply
    326,729,996.40x = 490,094,994.60 × 324,816,808.80
  4. Step 4: Simplify right side
    326,729,996.40x = 159,191,092,154,825,248
  5. Step 5: Solve for x
    x = 159,191,092,154,825,248/326,729,996.40
  6. Step 6: Final answer
    x = 487,225,213.20

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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.