Home / 436,752,512.20-655,128,768.30-403,496,115.40

Finding the Fourth Proportional to 436,752,512.20, 655,128,768.30 and 403,496,115.40

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Solution

The fourth proportional to 436,752,512.20, 655,128,768.30 and 403,496,115.40 is: 605,244,173.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,752,512.20 : 655,128,768.30 = 403,496,115.40 : x
  2. Step 2: Convert to fraction form
    436,752,512.20/655,128,768.30 = 403,496,115.40/x
  3. Step 3: Cross multiply
    436,752,512.20x = 655,128,768.30 × 403,496,115.40
  4. Step 4: Simplify right side
    436,752,512.20x = 264,341,913,095,836,640
  5. Step 5: Solve for x
    x = 264,341,913,095,836,640/436,752,512.20
  6. Step 6: Final answer
    x = 605,244,173.10

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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.