Home / 2,119,666,481.88-3,179,845,096.56-625,849,027.68

Finding the Fourth Proportional to 2,119,666,481.88, 3,179,845,096.56 and 625,849,027.68

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Solution

The fourth proportional to 2,119,666,481.88, 3,179,845,096.56 and 625,849,027.68 is: 938,875,515.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,119,666,481.88 : 3,179,845,096.56 = 625,849,027.68 : x
  2. Step 2: Convert to fraction form
    2,119,666,481.88/3,179,845,096.56 = 625,849,027.68/x
  3. Step 3: Cross multiply
    2,119,666,481.88x = 3,179,845,096.56 × 625,849,027.68
  4. Step 4: Simplify right side
    2,119,666,481.88x = 1,990,102,961,855,091,456
  5. Step 5: Solve for x
    x = 1,990,102,961,855,091,456/2,119,666,481.88
  6. Step 6: Final answer
    x = 938,875,515.97

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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.