Home / 1,873,073,487.78-2,809,782,939.60-612,544,141.89

Finding the Fourth Proportional to 1,873,073,487.78, 2,809,782,939.60 and 612,544,141.89

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Solution

The fourth proportional to 1,873,073,487.78, 2,809,782,939.60 and 612,544,141.89 is: 918,872,692.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,873,073,487.78 : 2,809,782,939.60 = 612,544,141.89 : x
  2. Step 2: Convert to fraction form
    1,873,073,487.78/2,809,782,939.60 = 612,544,141.89/x
  3. Step 3: Cross multiply
    1,873,073,487.78x = 2,809,782,939.60 × 612,544,141.89
  4. Step 4: Simplify right side
    1,873,073,487.78x = 1,721,116,079,634,443,520
  5. Step 5: Solve for x
    x = 1,721,116,079,634,443,520/1,873,073,487.78
  6. Step 6: Final answer
    x = 918,872,692.86

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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.