Home / 2,166,987,660.30-3,250,481,490.45-531,212,262.30

Finding the Fourth Proportional to 2,166,987,660.30, 3,250,481,490.45 and 531,212,262.30

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Solution

The fourth proportional to 2,166,987,660.30, 3,250,481,490.45 and 531,212,262.30 is: 796,818,393.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,166,987,660.30 : 3,250,481,490.45 = 531,212,262.30 : x
  2. Step 2: Convert to fraction form
    2,166,987,660.30/3,250,481,490.45 = 531,212,262.30/x
  3. Step 3: Cross multiply
    2,166,987,660.30x = 3,250,481,490.45 × 531,212,262.30
  4. Step 4: Simplify right side
    2,166,987,660.30x = 1,726,695,626,106,220,288
  5. Step 5: Solve for x
    x = 1,726,695,626,106,220,288/2,166,987,660.30
  6. Step 6: Final answer
    x = 796,818,393.45

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Double scale
Find fourth proportional to 2,166,987,661.30, 3,250,481,491.95 and 531,212,263.30
Similar ratio
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1.5x scale

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.