Home / 383,616,018.80-575,424,028.20-168,205,266.80

Finding the Fourth Proportional to 383,616,018.80, 575,424,028.20 and 168,205,266.80

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Solution

The fourth proportional to 383,616,018.80, 575,424,028.20 and 168,205,266.80 is: 252,307,900.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,616,018.80 : 575,424,028.20 = 168,205,266.80 : x
  2. Step 2: Convert to fraction form
    383,616,018.80/575,424,028.20 = 168,205,266.80/x
  3. Step 3: Cross multiply
    383,616,018.80x = 575,424,028.20 × 168,205,266.80
  4. Step 4: Simplify right side
    383,616,018.80x = 96,789,352,186,511,744
  5. Step 5: Solve for x
    x = 96,789,352,186,511,744/383,616,018.80
  6. Step 6: Final answer
    x = 252,307,900.20

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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.