Home / 664,320,992.40-996,481,488.60-470,451,315.60

Finding the Fourth Proportional to 664,320,992.40, 996,481,488.60 and 470,451,315.60

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Solution

The fourth proportional to 664,320,992.40, 996,481,488.60 and 470,451,315.60 is: 705,676,973.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,320,992.40 : 996,481,488.60 = 470,451,315.60 : x
  2. Step 2: Convert to fraction form
    664,320,992.40/996,481,488.60 = 470,451,315.60/x
  3. Step 3: Cross multiply
    664,320,992.40x = 996,481,488.60 × 470,451,315.60
  4. Step 4: Simplify right side
    664,320,992.40x = 468,796,027,282,916,416
  5. Step 5: Solve for x
    x = 468,796,027,282,916,416/664,320,992.40
  6. Step 6: Final answer
    x = 705,676,973.40

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Double scale
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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.