Home / 436,913,999.70-655,370,999.55-396,603,215.70

Finding the Fourth Proportional to 436,913,999.70, 655,370,999.55 and 396,603,215.70

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Solution

The fourth proportional to 436,913,999.70, 655,370,999.55 and 396,603,215.70 is: 594,904,823.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,913,999.70 : 655,370,999.55 = 396,603,215.70 : x
  2. Step 2: Convert to fraction form
    436,913,999.70/655,370,999.55 = 396,603,215.70/x
  3. Step 3: Cross multiply
    436,913,999.70x = 655,370,999.55 × 396,603,215.70
  4. Step 4: Simplify right side
    436,913,999.70x = 259,922,245,898,053,216
  5. Step 5: Solve for x
    x = 259,922,245,898,053,216/436,913,999.70
  6. Step 6: Final answer
    x = 594,904,823.55

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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.