Home / 1,021,388,134.32-1,532,297,401.20-331,241,574.96

Finding the Fourth Proportional to 1,021,388,134.32, 1,532,297,401.20 and 331,241,574.96

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Solution

The fourth proportional to 1,021,388,134.32, 1,532,297,401.20 and 331,241,574.96 is: 496,932,152.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,021,388,134.32 : 1,532,297,401.20 = 331,241,574.96 : x
  2. Step 2: Convert to fraction form
    1,021,388,134.32/1,532,297,401.20 = 331,241,574.96/x
  3. Step 3: Cross multiply
    1,021,388,134.32x = 1,532,297,401.20 × 331,241,574.96
  4. Step 4: Simplify right side
    1,021,388,134.32x = 507,560,604,480,603,008
  5. Step 5: Solve for x
    x = 507,560,604,480,603,008/1,021,388,134.32
  6. Step 6: Final answer
    x = 496,932,152.85

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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.