Home / 481,144,501.32-663,979,683.72-261,127,927.32

Finding the Fourth Proportional to 481,144,501.32, 663,979,683.72 and 261,127,927.32

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Solution

The fourth proportional to 481,144,501.32, 663,979,683.72 and 261,127,927.32 is: 360,356,687.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,144,501.32 : 663,979,683.72 = 261,127,927.32 : x
  2. Step 2: Convert to fraction form
    481,144,501.32/663,979,683.72 = 261,127,927.32/x
  3. Step 3: Cross multiply
    481,144,501.32x = 663,979,683.72 × 261,127,927.32
  4. Step 4: Simplify right side
    481,144,501.32x = 173,383,638,592,392,736
  5. Step 5: Solve for x
    x = 173,383,638,592,392,736/481,144,501.32
  6. Step 6: Final answer
    x = 360,356,687.27

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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.