Home / 664,302,003.40-996,453,005.10-446,623,769.80

Finding the Fourth Proportional to 664,302,003.40, 996,453,005.10 and 446,623,769.80

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Solution

The fourth proportional to 664,302,003.40, 996,453,005.10 and 446,623,769.80 is: 669,935,654.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,302,003.40 : 996,453,005.10 = 446,623,769.80 : x
  2. Step 2: Convert to fraction form
    664,302,003.40/996,453,005.10 = 446,623,769.80/x
  3. Step 3: Cross multiply
    664,302,003.40x = 996,453,005.10 × 446,623,769.80
  4. Step 4: Simplify right side
    664,302,003.40x = 445,039,597,566,300,672
  5. Step 5: Solve for x
    x = 445,039,597,566,300,672/664,302,003.40
  6. Step 6: Final answer
    x = 669,935,654.70

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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.