Home / 386,277,828.76-534,467,078.46-336,821,331.16

Finding the Fourth Proportional to 386,277,828.76, 534,467,078.46 and 336,821,331.16

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Solution

The fourth proportional to 386,277,828.76, 534,467,078.46 and 336,821,331.16 is: 466,037,394.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,277,828.76 : 534,467,078.46 = 336,821,331.16 : x
  2. Step 2: Convert to fraction form
    386,277,828.76/534,467,078.46 = 336,821,331.16/x
  3. Step 3: Cross multiply
    386,277,828.76x = 534,467,078.46 × 336,821,331.16
  4. Step 4: Simplify right side
    386,277,828.76x = 180,019,912,828,093,376
  5. Step 5: Solve for x
    x = 180,019,912,828,093,376/386,277,828.76
  6. Step 6: Final answer
    x = 466,037,394.40

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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.