Home / 403,609,391.70-605,414,087.55-383,453,999.70

Finding the Fourth Proportional to 403,609,391.70, 605,414,087.55 and 383,453,999.70

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Solution

The fourth proportional to 403,609,391.70, 605,414,087.55 and 383,453,999.70 is: 575,180,999.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,609,391.70 : 605,414,087.55 = 383,453,999.70 : x
  2. Step 2: Convert to fraction form
    403,609,391.70/605,414,087.55 = 383,453,999.70/x
  3. Step 3: Cross multiply
    403,609,391.70x = 605,414,087.55 × 383,453,999.70
  4. Step 4: Simplify right side
    403,609,391.70x = 232,148,453,345,773,440
  5. Step 5: Solve for x
    x = 232,148,453,345,773,440/403,609,391.70
  6. Step 6: Final answer
    x = 575,180,999.55

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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.