Home / 588,141,806.20-882,401,666.10-394,272,129.40

Finding the Fourth Proportional to 588,141,806.20, 882,401,666.10 and 394,272,129.40

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Solution

The fourth proportional to 588,141,806.20, 882,401,666.10 and 394,272,129.40 is: 591,534,864.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    588,141,806.20 : 882,401,666.10 = 394,272,129.40 : x
  2. Step 2: Convert to fraction form
    588,141,806.20/882,401,666.10 = 394,272,129.40/x
  3. Step 3: Cross multiply
    588,141,806.20x = 882,401,666.10 × 394,272,129.40
  4. Step 4: Simplify right side
    588,141,806.20x = 347,906,383,879,354,752
  5. Step 5: Solve for x
    x = 347,906,383,879,354,752/588,141,806.20
  6. Step 6: Final answer
    x = 591,534,864.91

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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.