Home / 850,633,625.40-1,275,950,438.10-305,304,300.60

Finding the Fourth Proportional to 850,633,625.40, 1,275,950,438.10 and 305,304,300.60

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Solution

The fourth proportional to 850,633,625.40, 1,275,950,438.10 and 305,304,300.60 is: 457,956,450.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,633,625.40 : 1,275,950,438.10 = 305,304,300.60 : x
  2. Step 2: Convert to fraction form
    850,633,625.40/1,275,950,438.10 = 305,304,300.60/x
  3. Step 3: Cross multiply
    850,633,625.40x = 1,275,950,438.10 × 305,304,300.60
  4. Step 4: Simplify right side
    850,633,625.40x = 389,553,156,104,384,064
  5. Step 5: Solve for x
    x = 389,553,156,104,384,064/850,633,625.40
  6. Step 6: Final answer
    x = 457,956,450.90

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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.