Home / 653,435,659.68-979,560,241.20-326,011,316.64

Finding the Fourth Proportional to 653,435,659.68, 979,560,241.20 and 326,011,316.64

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Solution

The fourth proportional to 653,435,659.68, 979,560,241.20 and 326,011,316.64 is: 488,720,992.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,435,659.68 : 979,560,241.20 = 326,011,316.64 : x
  2. Step 2: Convert to fraction form
    653,435,659.68/979,560,241.20 = 326,011,316.64/x
  3. Step 3: Cross multiply
    653,435,659.68x = 979,560,241.20 × 326,011,316.64
  4. Step 4: Simplify right side
    653,435,659.68x = 319,347,723,961,808,000
  5. Step 5: Solve for x
    x = 319,347,723,961,808,000/653,435,659.68
  6. Step 6: Final answer
    x = 488,720,992.24

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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.