Home / 502,977,144.62-693,989,725.43-422,813,914.70

Finding the Fourth Proportional to 502,977,144.62, 693,989,725.43 and 422,813,914.70

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Solution

The fourth proportional to 502,977,144.62, 693,989,725.43 and 422,813,914.70 is: 583,383,391.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,977,144.62 : 693,989,725.43 = 422,813,914.70 : x
  2. Step 2: Convert to fraction form
    502,977,144.62/693,989,725.43 = 422,813,914.70/x
  3. Step 3: Cross multiply
    502,977,144.62x = 693,989,725.43 × 422,813,914.70
  4. Step 4: Simplify right side
    502,977,144.62x = 293,428,512,565,052,416
  5. Step 5: Solve for x
    x = 293,428,512,565,052,416/502,977,144.62
  6. Step 6: Final answer
    x = 583,383,391.68

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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.