Home / 547,588,524.12-755,709,238.82-309,351,080.40

Finding the Fourth Proportional to 547,588,524.12, 755,709,238.82 and 309,351,080.40

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Solution

The fourth proportional to 547,588,524.12, 755,709,238.82 and 309,351,080.40 is: 426,925,436.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,588,524.12 : 755,709,238.82 = 309,351,080.40 : x
  2. Step 2: Convert to fraction form
    547,588,524.12/755,709,238.82 = 309,351,080.40/x
  3. Step 3: Cross multiply
    547,588,524.12x = 755,709,238.82 × 309,351,080.40
  4. Step 4: Simplify right side
    547,588,524.12x = 233,779,469,497,228,608
  5. Step 5: Solve for x
    x = 233,779,469,497,228,608/547,588,524.12
  6. Step 6: Final answer
    x = 426,925,436.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.