Home / 529,408,059.09-792,578,584.17-398,800,391.07

Finding the Fourth Proportional to 529,408,059.09, 792,578,584.17 and 398,800,391.07

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Solution

The fourth proportional to 529,408,059.09, 792,578,584.17 and 398,800,391.07 is: 597,045,405.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,408,059.09 : 792,578,584.17 = 398,800,391.07 : x
  2. Step 2: Convert to fraction form
    529,408,059.09/792,578,584.17 = 398,800,391.07/x
  3. Step 3: Cross multiply
    529,408,059.09x = 792,578,584.17 × 398,800,391.07
  4. Step 4: Simplify right side
    529,408,059.09x = 316,080,649,318,084,224
  5. Step 5: Solve for x
    x = 316,080,649,318,084,224/529,408,059.09
  6. Step 6: Final answer
    x = 597,045,405.51

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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.