Home / 449,344,017.60-629,930,971.20-449,344,017.60

Finding the Fourth Proportional to 449,344,017.60, 629,930,971.20 and 449,344,017.60

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Solution

The fourth proportional to 449,344,017.60, 629,930,971.20 and 449,344,017.60 is: 629,930,971.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,344,017.60 : 629,930,971.20 = 449,344,017.60 : x
  2. Step 2: Convert to fraction form
    449,344,017.60/629,930,971.20 = 449,344,017.60/x
  3. Step 3: Cross multiply
    449,344,017.60x = 629,930,971.20 × 449,344,017.60
  4. Step 4: Simplify right side
    449,344,017.60x = 283,055,713,409,677,920
  5. Step 5: Solve for x
    x = 283,055,713,409,677,920/449,344,017.60
  6. Step 6: Final answer
    x = 629,930,971.20

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.