Home / 328,965,086.10-493,447,629.15-264,395,004.60

Finding the Fourth Proportional to 328,965,086.10, 493,447,629.15 and 264,395,004.60

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Solution

The fourth proportional to 328,965,086.10, 493,447,629.15 and 264,395,004.60 is: 396,592,506.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,965,086.10 : 493,447,629.15 = 264,395,004.60 : x
  2. Step 2: Convert to fraction form
    328,965,086.10/493,447,629.15 = 264,395,004.60/x
  3. Step 3: Cross multiply
    328,965,086.10x = 493,447,629.15 × 264,395,004.60
  4. Step 4: Simplify right side
    328,965,086.10x = 130,465,088,178,973,328
  5. Step 5: Solve for x
    x = 130,465,088,178,973,328/328,965,086.10
  6. Step 6: Final answer
    x = 396,592,506.90

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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.