Home / 275,219,758.38-379,803,156.69-151,460,435.58

Finding the Fourth Proportional to 275,219,758.38, 379,803,156.69 and 151,460,435.58

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Solution

The fourth proportional to 275,219,758.38, 379,803,156.69 and 151,460,435.58 is: 209,015,340.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,219,758.38 : 379,803,156.69 = 151,460,435.58 : x
  2. Step 2: Convert to fraction form
    275,219,758.38/379,803,156.69 = 151,460,435.58/x
  3. Step 3: Cross multiply
    275,219,758.38x = 379,803,156.69 × 151,460,435.58
  4. Step 4: Simplify right side
    275,219,758.38x = 57,525,151,546,926,392
  5. Step 5: Solve for x
    x = 57,525,151,546,926,392/275,219,758.38
  6. Step 6: Final answer
    x = 209,015,340.63

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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.