Home / 400,995,308,640.87-601,740,368,520.75-185,823,744,353.82

Finding the Fourth Proportional to 400,995,308,640.87, 601,740,368,520.75 and 185,823,744,353.82

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Solution

The fourth proportional to 400,995,308,640.87, 601,740,368,520.75 and 185,823,744,353.82 is: 278,850,265,820.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,995,308,640.87 : 601,740,368,520.75 = 185,823,744,353.82 : x
  2. Step 2: Convert to fraction form
    400,995,308,640.87/601,740,368,520.75 = 185,823,744,353.82/x
  3. Step 3: Cross multiply
    400,995,308,640.87x = 601,740,368,520.75 × 185,823,744,353.82
  4. Step 4: Simplify right side
    400,995,308,640.87x = 111,817,648,407,373,286,473,728
  5. Step 5: Solve for x
    x = 111,817,648,407,373,286,473,728/400,995,308,640.87
  6. Step 6: Final answer
    x = 278,850,265,820.73

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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.