Home / 449,323,409.40-673,985,114.10-376,763,998.20

Finding the Fourth Proportional to 449,323,409.40, 673,985,114.10 and 376,763,998.20

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Solution

The fourth proportional to 449,323,409.40, 673,985,114.10 and 376,763,998.20 is: 565,145,997.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,323,409.40 : 673,985,114.10 = 376,763,998.20 : x
  2. Step 2: Convert to fraction form
    449,323,409.40/673,985,114.10 = 376,763,998.20/x
  3. Step 3: Cross multiply
    449,323,409.40x = 673,985,114.10 × 376,763,998.20
  4. Step 4: Simplify right side
    449,323,409.40x = 253,933,326,315,599,200
  5. Step 5: Solve for x
    x = 253,933,326,315,599,200/449,323,409.40
  6. Step 6: Final answer
    x = 565,145,997.30

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1.5x scale

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.