Home / 449,075,333.20-673,612,999.80-328,142,981.20

Finding the Fourth Proportional to 449,075,333.20, 673,612,999.80 and 328,142,981.20

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Solution

The fourth proportional to 449,075,333.20, 673,612,999.80 and 328,142,981.20 is: 492,214,471.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,075,333.20 : 673,612,999.80 = 328,142,981.20 : x
  2. Step 2: Convert to fraction form
    449,075,333.20/673,612,999.80 = 328,142,981.20/x
  3. Step 3: Cross multiply
    449,075,333.20x = 673,612,999.80 × 328,142,981.20
  4. Step 4: Simplify right side
    449,075,333.20x = 221,041,377,929,446,976
  5. Step 5: Solve for x
    x = 221,041,377,929,446,976/449,075,333.20
  6. Step 6: Final answer
    x = 492,214,471.80

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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.