Home / 275,802,965.46-380,612,312.37-150,355,245.78

Finding the Fourth Proportional to 275,802,965.46, 380,612,312.37 and 150,355,245.78

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Solution

The fourth proportional to 275,802,965.46, 380,612,312.37 and 150,355,245.78 is: 207,492,539.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,802,965.46 : 380,612,312.37 = 150,355,245.78 : x
  2. Step 2: Convert to fraction form
    275,802,965.46/380,612,312.37 = 150,355,245.78/x
  3. Step 3: Cross multiply
    275,802,965.46x = 380,612,312.37 × 150,355,245.78
  4. Step 4: Simplify right side
    275,802,965.46x = 57,227,057,773,285,488
  5. Step 5: Solve for x
    x = 57,227,057,773,285,488/275,802,965.46
  6. Step 6: Final answer
    x = 207,492,539.75

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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.