Home / 1,201,826,477.14-1,658,530,276.56-665,987,092.70

Finding the Fourth Proportional to 1,201,826,477.14, 1,658,530,276.56 and 665,987,092.70

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Solution

The fourth proportional to 1,201,826,477.14, 1,658,530,276.56 and 665,987,092.70 is: 919,067,584.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,201,826,477.14 : 1,658,530,276.56 = 665,987,092.70 : x
  2. Step 2: Convert to fraction form
    1,201,826,477.14/1,658,530,276.56 = 665,987,092.70/x
  3. Step 3: Cross multiply
    1,201,826,477.14x = 1,658,530,276.56 × 665,987,092.70
  4. Step 4: Simplify right side
    1,201,826,477.14x = 1,104,559,757,029,498,880
  5. Step 5: Solve for x
    x = 1,104,559,757,029,498,880/1,201,826,477.14
  6. Step 6: Final answer
    x = 919,067,584.25

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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.