Home / 450,165,438.42-675,235,560.51-143,475,954.90

Finding the Fourth Proportional to 450,165,438.42, 675,235,560.51 and 143,475,954.90

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Solution

The fourth proportional to 450,165,438.42, 675,235,560.51 and 143,475,954.90 is: 215,209,917.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,165,438.42 : 675,235,560.51 = 143,475,954.90 : x
  2. Step 2: Convert to fraction form
    450,165,438.42/675,235,560.51 = 143,475,954.90/x
  3. Step 3: Cross multiply
    450,165,438.42x = 675,235,560.51 × 143,475,954.90
  4. Step 4: Simplify right side
    450,165,438.42x = 96,880,066,826,608,976
  5. Step 5: Solve for x
    x = 96,880,066,826,608,976/450,165,438.42
  6. Step 6: Final answer
    x = 215,209,917.42

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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.