Home / 2,125,713,905.15-3,189,993,091.86-882,144,327.11

Finding the Fourth Proportional to 2,125,713,905.15, 3,189,993,091.86 and 882,144,327.11

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Solution

The fourth proportional to 2,125,713,905.15, 3,189,993,091.86 and 882,144,327.11 is: 1,323,806,699.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,125,713,905.15 : 3,189,993,091.86 = 882,144,327.11 : x
  2. Step 2: Convert to fraction form
    2,125,713,905.15/3,189,993,091.86 = 882,144,327.11/x
  3. Step 3: Cross multiply
    2,125,713,905.15x = 3,189,993,091.86 × 882,144,327.11
  4. Step 4: Simplify right side
    2,125,713,905.15x = 2,814,034,309,491,966,464
  5. Step 5: Solve for x
    x = 2,814,034,309,491,966,464/2,125,713,905.15
  6. Step 6: Final answer
    x = 1,323,806,699.80

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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.