Home / 275,280,672,873.18-412,921,009,309.76-275,280,672,873.18

Finding the Fourth Proportional to 275,280,672,873.18, 412,921,009,309.76 and 275,280,672,873.18

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Solution

The fourth proportional to 275,280,672,873.18, 412,921,009,309.76 and 275,280,672,873.18 is: 412,921,009,309.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,280,672,873.18 : 412,921,009,309.76 = 275,280,672,873.18 : x
  2. Step 2: Convert to fraction form
    275,280,672,873.18/412,921,009,309.76 = 275,280,672,873.18/x
  3. Step 3: Cross multiply
    275,280,672,873.18x = 412,921,009,309.76 × 275,280,672,873.18
  4. Step 4: Simplify right side
    275,280,672,873.18x = 113,669,173,286,263,360,323,584
  5. Step 5: Solve for x
    x = 113,669,173,286,263,360,323,584/275,280,672,873.18
  6. Step 6: Final answer
    x = 412,921,009,309.76

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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.