Home / 1,021,388,152.32-1,532,297,428.20-331,241,592.96

Finding the Fourth Proportional to 1,021,388,152.32, 1,532,297,428.20 and 331,241,592.96

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Solution

The fourth proportional to 1,021,388,152.32, 1,532,297,428.20 and 331,241,592.96 is: 496,932,179.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,021,388,152.32 : 1,532,297,428.20 = 331,241,592.96 : x
  2. Step 2: Convert to fraction form
    1,021,388,152.32/1,532,297,428.20 = 331,241,592.96/x
  3. Step 3: Cross multiply
    1,021,388,152.32x = 1,532,297,428.20 × 331,241,592.96
  4. Step 4: Simplify right side
    1,021,388,152.32x = 507,560,641,005,479,232
  5. Step 5: Solve for x
    x = 507,560,641,005,479,232/1,021,388,152.32
  6. Step 6: Final answer
    x = 496,932,179.85

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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.