Home / 685,502,224.88-1,028,251,094.52-248,802,326.96

Finding the Fourth Proportional to 685,502,224.88, 1,028,251,094.52 and 248,802,326.96

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Solution

The fourth proportional to 685,502,224.88, 1,028,251,094.52 and 248,802,326.96 is: 373,202,676.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    685,502,224.88 : 1,028,251,094.52 = 248,802,326.96 : x
  2. Step 2: Convert to fraction form
    685,502,224.88/1,028,251,094.52 = 248,802,326.96/x
  3. Step 3: Cross multiply
    685,502,224.88x = 1,028,251,094.52 × 248,802,326.96
  4. Step 4: Simplify right side
    685,502,224.88x = 255,831,265,015,742,912
  5. Step 5: Solve for x
    x = 255,831,265,015,742,912/685,502,224.88
  6. Step 6: Final answer
    x = 373,202,676.42

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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.