Home / 328,093,445.70-492,140,168.55-322,991,612.10

Finding the Fourth Proportional to 328,093,445.70, 492,140,168.55 and 322,991,612.10

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Solution

The fourth proportional to 328,093,445.70, 492,140,168.55 and 322,991,612.10 is: 484,487,418.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,093,445.70 : 492,140,168.55 = 322,991,612.10 : x
  2. Step 2: Convert to fraction form
    328,093,445.70/492,140,168.55 = 322,991,612.10/x
  3. Step 3: Cross multiply
    328,093,445.70x = 492,140,168.55 × 322,991,612.10
  4. Step 4: Simplify right side
    328,093,445.70x = 158,957,146,419,130,240
  5. Step 5: Solve for x
    x = 158,957,146,419,130,240/328,093,445.70
  6. Step 6: Final answer
    x = 484,487,418.15

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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.