Home / 693,506,396.96-1,040,100,410.34-413,466,550.88

Finding the Fourth Proportional to 693,506,396.96, 1,040,100,410.34 and 413,466,550.88

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Solution

The fourth proportional to 693,506,396.96, 1,040,100,410.34 and 413,466,550.88 is: 620,104,920.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,506,396.96 : 1,040,100,410.34 = 413,466,550.88 : x
  2. Step 2: Convert to fraction form
    693,506,396.96/1,040,100,410.34 = 413,466,550.88/x
  3. Step 3: Cross multiply
    693,506,396.96x = 1,040,100,410.34 × 413,466,550.88
  4. Step 4: Simplify right side
    693,506,396.96x = 430,046,729,232,152,512
  5. Step 5: Solve for x
    x = 430,046,729,232,152,512/693,506,396.96
  6. Step 6: Final answer
    x = 620,104,920.61

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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.