Home / 378,008,533.20-567,012,799.80-274,696,402.80

Finding the Fourth Proportional to 378,008,533.20, 567,012,799.80 and 274,696,402.80

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Solution

The fourth proportional to 378,008,533.20, 567,012,799.80 and 274,696,402.80 is: 412,044,604.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,008,533.20 : 567,012,799.80 = 274,696,402.80 : x
  2. Step 2: Convert to fraction form
    378,008,533.20/567,012,799.80 = 274,696,402.80/x
  3. Step 3: Cross multiply
    378,008,533.20x = 567,012,799.80 × 274,696,402.80
  4. Step 4: Simplify right side
    378,008,533.20x = 155,756,376,446,616,544
  5. Step 5: Solve for x
    x = 155,756,376,446,616,544/378,008,533.20
  6. Step 6: Final answer
    x = 412,044,604.20

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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.