Home / 580,860,000.40-871,290,000.60-449,346,067.60

Finding the Fourth Proportional to 580,860,000.40, 871,290,000.60 and 449,346,067.60

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Solution

The fourth proportional to 580,860,000.40, 871,290,000.60 and 449,346,067.60 is: 674,019,101.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,860,000.40 : 871,290,000.60 = 449,346,067.60 : x
  2. Step 2: Convert to fraction form
    580,860,000.40/871,290,000.60 = 449,346,067.60/x
  3. Step 3: Cross multiply
    580,860,000.40x = 871,290,000.60 × 449,346,067.60
  4. Step 4: Simplify right side
    580,860,000.40x = 391,510,735,508,811,648
  5. Step 5: Solve for x
    x = 391,510,735,508,811,648/580,860,000.40
  6. Step 6: Final answer
    x = 674,019,101.40

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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.