Home / 677,345,511.15-1,015,901,120.03-179,363,189.03

Finding the Fourth Proportional to 677,345,511.15, 1,015,901,120.03 and 179,363,189.03

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Solution

The fourth proportional to 677,345,511.15, 1,015,901,120.03 and 179,363,189.03 is: 269,013,762.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,345,511.15 : 1,015,901,120.03 = 179,363,189.03 : x
  2. Step 2: Convert to fraction form
    677,345,511.15/1,015,901,120.03 = 179,363,189.03/x
  3. Step 3: Cross multiply
    677,345,511.15x = 1,015,901,120.03 × 179,363,189.03
  4. Step 4: Simplify right side
    677,345,511.15x = 182,215,264,621,753,280
  5. Step 5: Solve for x
    x = 182,215,264,621,753,280/677,345,511.15
  6. Step 6: Final answer
    x = 269,013,762.73

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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.