Home / 328,032,458.10-492,048,687.15-133,879,346.10

Finding the Fourth Proportional to 328,032,458.10, 492,048,687.15 and 133,879,346.10

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Solution

The fourth proportional to 328,032,458.10, 492,048,687.15 and 133,879,346.10 is: 200,819,019.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,032,458.10 : 492,048,687.15 = 133,879,346.10 : x
  2. Step 2: Convert to fraction form
    328,032,458.10/492,048,687.15 = 133,879,346.10/x
  3. Step 3: Cross multiply
    328,032,458.10x = 492,048,687.15 × 133,879,346.10
  4. Step 4: Simplify right side
    328,032,458.10x = 65,875,156,485,005,464
  5. Step 5: Solve for x
    x = 65,875,156,485,005,464/328,032,458.10
  6. Step 6: Final answer
    x = 200,819,019.15

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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.