Home / 986,520,323.45-1,361,399,095.85-534,399,342.75

Finding the Fourth Proportional to 986,520,323.45, 1,361,399,095.85 and 534,399,342.75

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Solution

The fourth proportional to 986,520,323.45, 1,361,399,095.85 and 534,399,342.75 is: 737,471,661.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,520,323.45 : 1,361,399,095.85 = 534,399,342.75 : x
  2. Step 2: Convert to fraction form
    986,520,323.45/1,361,399,095.85 = 534,399,342.75/x
  3. Step 3: Cross multiply
    986,520,323.45x = 1,361,399,095.85 × 534,399,342.75
  4. Step 4: Simplify right side
    986,520,323.45x = 727,530,782,040,012,288
  5. Step 5: Solve for x
    x = 727,530,782,040,012,288/986,520,323.45
  6. Step 6: Final answer
    x = 737,471,661.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.