Home / 482,976,266.40-724,464,399.60-448,964,042.40

Finding the Fourth Proportional to 482,976,266.40, 724,464,399.60 and 448,964,042.40

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Solution

The fourth proportional to 482,976,266.40, 724,464,399.60 and 448,964,042.40 is: 673,446,063.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,976,266.40 : 724,464,399.60 = 448,964,042.40 : x
  2. Step 2: Convert to fraction form
    482,976,266.40/724,464,399.60 = 448,964,042.40/x
  3. Step 3: Cross multiply
    482,976,266.40x = 724,464,399.60 × 448,964,042.40
  4. Step 4: Simplify right side
    482,976,266.40x = 325,258,465,419,304,960
  5. Step 5: Solve for x
    x = 325,258,465,419,304,960/482,976,266.40
  6. Step 6: Final answer
    x = 673,446,063.60

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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.