Home / 1,074,285,985.37-1,482,383,145.88-677,660,063.45

Finding the Fourth Proportional to 1,074,285,985.37, 1,482,383,145.88 and 677,660,063.45

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Solution

The fourth proportional to 1,074,285,985.37, 1,482,383,145.88 and 677,660,063.45 is: 935,087,928.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,074,285,985.37 : 1,482,383,145.88 = 677,660,063.45 : x
  2. Step 2: Convert to fraction form
    1,074,285,985.37/1,482,383,145.88 = 677,660,063.45/x
  3. Step 3: Cross multiply
    1,074,285,985.37x = 1,482,383,145.88 × 677,660,063.45
  4. Step 4: Simplify right side
    1,074,285,985.37x = 1,004,551,856,698,770,560
  5. Step 5: Solve for x
    x = 1,004,551,856,698,770,560/1,074,285,985.37
  6. Step 6: Final answer
    x = 935,087,928.52

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Half scale
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Double scale
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1.5x scale

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.