Home / 531,628,905.31-797,443,357.96-143,451,112.88

Finding the Fourth Proportional to 531,628,905.31, 797,443,357.96 and 143,451,112.88

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Solution

The fourth proportional to 531,628,905.31, 797,443,357.96 and 143,451,112.88 is: 215,176,669.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,628,905.31 : 797,443,357.96 = 143,451,112.88 : x
  2. Step 2: Convert to fraction form
    531,628,905.31/797,443,357.96 = 143,451,112.88/x
  3. Step 3: Cross multiply
    531,628,905.31x = 797,443,357.96 × 143,451,112.88
  4. Step 4: Simplify right side
    531,628,905.31x = 114,394,137,158,126,208
  5. Step 5: Solve for x
    x = 114,394,137,158,126,208/531,628,905.31
  6. Step 6: Final answer
    x = 215,176,669.32

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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.