Home / 588,141,807.20-882,401,667.60-394,272,130.40

Finding the Fourth Proportional to 588,141,807.20, 882,401,667.60 and 394,272,130.40

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Solution

The fourth proportional to 588,141,807.20, 882,401,667.60 and 394,272,130.40 is: 591,534,866.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    588,141,807.20 : 882,401,667.60 = 394,272,130.40 : x
  2. Step 2: Convert to fraction form
    588,141,807.20/882,401,667.60 = 394,272,130.40/x
  3. Step 3: Cross multiply
    588,141,807.20x = 882,401,667.60 × 394,272,130.40
  4. Step 4: Simplify right side
    588,141,807.20x = 347,906,385,353,164,672
  5. Step 5: Solve for x
    x = 347,906,385,353,164,672/588,141,807.20
  6. Step 6: Final answer
    x = 591,534,866.41

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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.