Home / 479,682,002.20-719,523,003.30-402,197,904.40

Finding the Fourth Proportional to 479,682,002.20, 719,523,003.30 and 402,197,904.40

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Solution

The fourth proportional to 479,682,002.20, 719,523,003.30 and 402,197,904.40 is: 603,296,856.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,682,002.20 : 719,523,003.30 = 402,197,904.40 : x
  2. Step 2: Convert to fraction form
    479,682,002.20/719,523,003.30 = 402,197,904.40/x
  3. Step 3: Cross multiply
    479,682,002.20x = 719,523,003.30 × 402,197,904.40
  4. Step 4: Simplify right side
    479,682,002.20x = 289,390,644,094,854,272
  5. Step 5: Solve for x
    x = 289,390,644,094,854,272/479,682,002.20
  6. Step 6: Final answer
    x = 603,296,856.60

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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.