Home / 449,075,332.20-673,612,998.30-328,142,980.20

Finding the Fourth Proportional to 449,075,332.20, 673,612,998.30 and 328,142,980.20

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Solution

The fourth proportional to 449,075,332.20, 673,612,998.30 and 328,142,980.20 is: 492,214,470.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,075,332.20 : 673,612,998.30 = 328,142,980.20 : x
  2. Step 2: Convert to fraction form
    449,075,332.20/673,612,998.30 = 328,142,980.20/x
  3. Step 3: Cross multiply
    449,075,332.20x = 673,612,998.30 × 328,142,980.20
  4. Step 4: Simplify right side
    449,075,332.20x = 221,041,376,763,619,520
  5. Step 5: Solve for x
    x = 221,041,376,763,619,520/449,075,332.20
  6. Step 6: Final answer
    x = 492,214,470.30

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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.