Home / 449,362,564.80-673,618,694.40-265,271,402.40

Finding the Fourth Proportional to 449,362,564.80, 673,618,694.40 and 265,271,402.40

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Solution

The fourth proportional to 449,362,564.80, 673,618,694.40 and 265,271,402.40 is: 397,656,123.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,362,564.80 : 673,618,694.40 = 265,271,402.40 : x
  2. Step 2: Convert to fraction form
    449,362,564.80/673,618,694.40 = 265,271,402.40/x
  3. Step 3: Cross multiply
    449,362,564.80x = 673,618,694.40 × 265,271,402.40
  4. Step 4: Simplify right side
    449,362,564.80x = 178,691,775,746,345,024
  5. Step 5: Solve for x
    x = 178,691,775,746,345,024/449,362,564.80
  6. Step 6: Final answer
    x = 397,656,123.90

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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.