Home / 403,351,514.40-605,027,271.60-394,393,562.40

Finding the Fourth Proportional to 403,351,514.40, 605,027,271.60 and 394,393,562.40

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Solution

The fourth proportional to 403,351,514.40, 605,027,271.60 and 394,393,562.40 is: 591,590,343.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,351,514.40 : 605,027,271.60 = 394,393,562.40 : x
  2. Step 2: Convert to fraction form
    403,351,514.40/605,027,271.60 = 394,393,562.40/x
  3. Step 3: Cross multiply
    403,351,514.40x = 605,027,271.60 × 394,393,562.40
  4. Step 4: Simplify right side
    403,351,514.40x = 238,618,860,995,476,352
  5. Step 5: Solve for x
    x = 238,618,860,995,476,352/403,351,514.40
  6. Step 6: Final answer
    x = 591,590,343.60

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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.