Home / 326,808,002.40-490,212,003.60-301,865,704.80

Finding the Fourth Proportional to 326,808,002.40, 490,212,003.60 and 301,865,704.80

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Solution

The fourth proportional to 326,808,002.40, 490,212,003.60 and 301,865,704.80 is: 452,798,557.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,808,002.40 : 490,212,003.60 = 301,865,704.80 : x
  2. Step 2: Convert to fraction form
    326,808,002.40/490,212,003.60 = 301,865,704.80/x
  3. Step 3: Cross multiply
    326,808,002.40x = 490,212,003.60 × 301,865,704.80
  4. Step 4: Simplify right side
    326,808,002.40x = 147,978,191,968,134,144
  5. Step 5: Solve for x
    x = 147,978,191,968,134,144/326,808,002.40
  6. Step 6: Final answer
    x = 452,798,557.20

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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.