Home / 1,107,345,028.70-1,660,804,966.65-331,016,015.90

Finding the Fourth Proportional to 1,107,345,028.70, 1,660,804,966.65 and 331,016,015.90

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Solution

The fourth proportional to 1,107,345,028.70, 1,660,804,966.65 and 331,016,015.90 is: 496,460,478.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,345,028.70 : 1,660,804,966.65 = 331,016,015.90 : x
  2. Step 2: Convert to fraction form
    1,107,345,028.70/1,660,804,966.65 = 331,016,015.90/x
  3. Step 3: Cross multiply
    1,107,345,028.70x = 1,660,804,966.65 × 331,016,015.90
  4. Step 4: Simplify right side
    1,107,345,028.70x = 549,753,043,247,415,360
  5. Step 5: Solve for x
    x = 549,753,043,247,415,360/1,107,345,028.70
  6. Step 6: Final answer
    x = 496,460,478.89

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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.