Home / 512,000,267-768,097,274.40-162,334,405.40

Finding the Fourth Proportional to 512,000,267, 768,097,274.40 and 162,334,405.40

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Solution

The fourth proportional to 512,000,267, 768,097,274.40 and 162,334,405.40 is: 243,532,322.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    512,000,267 : 768,097,274.40 = 162,334,405.40 : x
  2. Step 2: Convert to fraction form
    512,000,267/768,097,274.40 = 162,334,405.40/x
  3. Step 3: Cross multiply
    512,000,267x = 768,097,274.40 × 162,334,405.40
  4. Step 4: Simplify right side
    512,000,267x = 124,688,614,329,084,640
  5. Step 5: Solve for x
    x = 124,688,614,329,084,640/512,000,267
  6. Step 6: Final answer
    x = 243,532,322.86

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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.