Home / 436,752,509.70-655,128,764.55-403,496,112.90

Finding the Fourth Proportional to 436,752,509.70, 655,128,764.55 and 403,496,112.90

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Solution

The fourth proportional to 436,752,509.70, 655,128,764.55 and 403,496,112.90 is: 605,244,169.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,752,509.70 : 655,128,764.55 = 403,496,112.90 : x
  2. Step 2: Convert to fraction form
    436,752,509.70/655,128,764.55 = 403,496,112.90/x
  3. Step 3: Cross multiply
    436,752,509.70x = 655,128,764.55 × 403,496,112.90
  4. Step 4: Simplify right side
    436,752,509.70x = 264,341,909,944,904,288
  5. Step 5: Solve for x
    x = 264,341,909,944,904,288/436,752,509.70
  6. Step 6: Final answer
    x = 605,244,169.35

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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.