Home / 449,075,505.45-673,613,258.18-328,143,153.45

Finding the Fourth Proportional to 449,075,505.45, 673,613,258.18 and 328,143,153.45

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Solution

The fourth proportional to 449,075,505.45, 673,613,258.18 and 328,143,153.45 is: 492,214,730.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,075,505.45 : 673,613,258.18 = 328,143,153.45 : x
  2. Step 2: Convert to fraction form
    449,075,505.45/673,613,258.18 = 328,143,153.45/x
  3. Step 3: Cross multiply
    449,075,505.45x = 673,613,258.18 × 328,143,153.45
  4. Step 4: Simplify right side
    449,075,505.45x = 221,041,578,743,273,472
  5. Step 5: Solve for x
    x = 221,041,578,743,273,472/449,075,505.45
  6. Step 6: Final answer
    x = 492,214,730.18

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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.