Home / 664,008,818.70-996,013,228.05-654,938,892.30

Finding the Fourth Proportional to 664,008,818.70, 996,013,228.05 and 654,938,892.30

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Solution

The fourth proportional to 664,008,818.70, 996,013,228.05 and 654,938,892.30 is: 982,408,338.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,008,818.70 : 996,013,228.05 = 654,938,892.30 : x
  2. Step 2: Convert to fraction form
    664,008,818.70/996,013,228.05 = 654,938,892.30/x
  3. Step 3: Cross multiply
    664,008,818.70x = 996,013,228.05 × 654,938,892.30
  4. Step 4: Simplify right side
    664,008,818.70x = 652,327,800,295,214,208
  5. Step 5: Solve for x
    x = 652,327,800,295,214,208/664,008,818.70
  6. Step 6: Final answer
    x = 982,408,338.45

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Double scale
Find fourth proportional to 664,008,819.70, 996,013,229.55 and 654,938,893.30
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.