Home / 664,012,328.80-996,018,493.20-446,334,095.20

Finding the Fourth Proportional to 664,012,328.80, 996,018,493.20 and 446,334,095.20

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Solution

The fourth proportional to 664,012,328.80, 996,018,493.20 and 446,334,095.20 is: 669,501,142.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,012,328.80 : 996,018,493.20 = 446,334,095.20 : x
  2. Step 2: Convert to fraction form
    664,012,328.80/996,018,493.20 = 446,334,095.20/x
  3. Step 3: Cross multiply
    664,012,328.80x = 996,018,493.20 × 446,334,095.20
  4. Step 4: Simplify right side
    664,012,328.80x = 444,557,012,964,889,344
  5. Step 5: Solve for x
    x = 444,557,012,964,889,344/664,012,328.80
  6. Step 6: Final answer
    x = 669,501,142.80

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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.