Home / 398,961,576,231.32-599,397,073,522.32-255,821,049,164.90

Finding the Fourth Proportional to 398,961,576,231.32, 599,397,073,522.32 and 255,821,049,164.90

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Solution

The fourth proportional to 398,961,576,231.32, 599,397,073,522.32 and 255,821,049,164.90 is: 384,343,749,749.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,961,576,231.32 : 599,397,073,522.32 = 255,821,049,164.90 : x
  2. Step 2: Convert to fraction form
    398,961,576,231.32/599,397,073,522.32 = 255,821,049,164.90/x
  3. Step 3: Cross multiply
    398,961,576,231.32x = 599,397,073,522.32 × 255,821,049,164.90
  4. Step 4: Simplify right side
    398,961,576,231.32x = 153,338,388,214,850,596,634,624
  5. Step 5: Solve for x
    x = 153,338,388,214,850,596,634,624/398,961,576,231.32
  6. Step 6: Final answer
    x = 384,343,749,749.84

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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.