Home / 629,873,090.80-944,809,636.20-621,379,625.20

Finding the Fourth Proportional to 629,873,090.80, 944,809,636.20 and 621,379,625.20

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Solution

The fourth proportional to 629,873,090.80, 944,809,636.20 and 621,379,625.20 is: 932,069,437.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,873,090.80 : 944,809,636.20 = 621,379,625.20 : x
  2. Step 2: Convert to fraction form
    629,873,090.80/944,809,636.20 = 621,379,625.20/x
  3. Step 3: Cross multiply
    629,873,090.80x = 944,809,636.20 × 621,379,625.20
  4. Step 4: Simplify right side
    629,873,090.80x = 587,085,457,627,304,448
  5. Step 5: Solve for x
    x = 587,085,457,627,304,448/629,873,090.80
  6. Step 6: Final answer
    x = 932,069,437.80

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Similar ratio
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1.5x scale

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.