Home / 481,207,072.20-721,810,608.30-117,701,428.20

Finding the Fourth Proportional to 481,207,072.20, 721,810,608.30 and 117,701,428.20

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Solution

The fourth proportional to 481,207,072.20, 721,810,608.30 and 117,701,428.20 is: 176,552,142.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,207,072.20 : 721,810,608.30 = 117,701,428.20 : x
  2. Step 2: Convert to fraction form
    481,207,072.20/721,810,608.30 = 117,701,428.20/x
  3. Step 3: Cross multiply
    481,207,072.20x = 721,810,608.30 × 117,701,428.20
  4. Step 4: Simplify right side
    481,207,072.20x = 84,958,139,486,820,768
  5. Step 5: Solve for x
    x = 84,958,139,486,820,768/481,207,072.20
  6. Step 6: Final answer
    x = 176,552,142.30

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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.