Home / 512,000,266-768,097,272.90-162,334,404.40

Finding the Fourth Proportional to 512,000,266, 768,097,272.90 and 162,334,404.40

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Solution

The fourth proportional to 512,000,266, 768,097,272.90 and 162,334,404.40 is: 243,532,321.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    512,000,266 : 768,097,272.90 = 162,334,404.40 : x
  2. Step 2: Convert to fraction form
    512,000,266/768,097,272.90 = 162,334,404.40/x
  3. Step 3: Cross multiply
    512,000,266x = 768,097,272.90 × 162,334,404.40
  4. Step 4: Simplify right side
    512,000,266x = 124,688,613,317,485,760
  5. Step 5: Solve for x
    x = 124,688,613,317,485,760/512,000,266
  6. Step 6: Final answer
    x = 243,532,321.36

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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.