Home / 432,213,300.72-648,337,890.96-125,505,414

Finding the Fourth Proportional to 432,213,300.72, 648,337,890.96 and 125,505,414

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Solution

The fourth proportional to 432,213,300.72, 648,337,890.96 and 125,505,414 is: 188,263,330.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,213,300.72 : 648,337,890.96 = 125,505,414 : x
  2. Step 2: Convert to fraction form
    432,213,300.72/648,337,890.96 = 125,505,414/x
  3. Step 3: Cross multiply
    432,213,300.72x = 648,337,890.96 × 125,505,414
  4. Step 4: Simplify right side
    432,213,300.72x = 81,369,915,416,821,664
  5. Step 5: Solve for x
    x = 81,369,915,416,821,664/432,213,300.72
  6. Step 6: Final answer
    x = 188,263,330.35

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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.