Home / 979,198,616.40-1,467,522,466.20-396,455,845.20

Finding the Fourth Proportional to 979,198,616.40, 1,467,522,466.20 and 396,455,845.20

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Solution

The fourth proportional to 979,198,616.40, 1,467,522,466.20 and 396,455,845.20 is: 594,167,362.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,198,616.40 : 1,467,522,466.20 = 396,455,845.20 : x
  2. Step 2: Convert to fraction form
    979,198,616.40/1,467,522,466.20 = 396,455,845.20/x
  3. Step 3: Cross multiply
    979,198,616.40x = 1,467,522,466.20 × 396,455,845.20
  4. Step 4: Simplify right side
    979,198,616.40x = 581,807,859,687,309,440
  5. Step 5: Solve for x
    x = 581,807,859,687,309,440/979,198,616.40
  6. Step 6: Final answer
    x = 594,167,362.93

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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.