Home / 1,328,492,651.76-1,992,929,157-408,446,241.84

Finding the Fourth Proportional to 1,328,492,651.76, 1,992,929,157 and 408,446,241.84

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Solution

The fourth proportional to 1,328,492,651.76, 1,992,929,157 and 408,446,241.84 is: 612,727,833.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,328,492,651.76 : 1,992,929,157 = 408,446,241.84 : x
  2. Step 2: Convert to fraction form
    1,328,492,651.76/1,992,929,157 = 408,446,241.84/x
  3. Step 3: Cross multiply
    1,328,492,651.76x = 1,992,929,157 × 408,446,241.84
  4. Step 4: Simplify right side
    1,328,492,651.76x = 814,004,424,430,009,216
  5. Step 5: Solve for x
    x = 814,004,424,430,009,216/1,328,492,651.76
  6. Step 6: Final answer
    x = 612,727,833.57

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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.