Home / 603,140,341.70-904,192,356.60-209,616,039.56

Finding the Fourth Proportional to 603,140,341.70, 904,192,356.60 and 209,616,039.56

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Solution

The fourth proportional to 603,140,341.70, 904,192,356.60 and 209,616,039.56 is: 314,243,978.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,140,341.70 : 904,192,356.60 = 209,616,039.56 : x
  2. Step 2: Convert to fraction form
    603,140,341.70/904,192,356.60 = 209,616,039.56/x
  3. Step 3: Cross multiply
    603,140,341.70x = 904,192,356.60 × 209,616,039.56
  4. Step 4: Simplify right side
    603,140,341.70x = 189,533,220,786,394,272
  5. Step 5: Solve for x
    x = 189,533,220,786,394,272/603,140,341.70
  6. Step 6: Final answer
    x = 314,243,978.86

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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.