Home / 1,111,171,192.18-1,666,594,546.34-324,013,321.30

Finding the Fourth Proportional to 1,111,171,192.18, 1,666,594,546.34 and 324,013,321.30

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Solution

The fourth proportional to 1,111,171,192.18, 1,666,594,546.34 and 324,013,321.30 is: 485,972,672.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,111,171,192.18 : 1,666,594,546.34 = 324,013,321.30 : x
  2. Step 2: Convert to fraction form
    1,111,171,192.18/1,666,594,546.34 = 324,013,321.30/x
  3. Step 3: Cross multiply
    1,111,171,192.18x = 1,666,594,546.34 × 324,013,321.30
  4. Step 4: Simplify right side
    1,111,171,192.18x = 539,998,834,220,090,176
  5. Step 5: Solve for x
    x = 539,998,834,220,090,176/1,111,171,192.18
  6. Step 6: Final answer
    x = 485,972,672.82

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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.