Home / 663,891,112.73-916,250,073.41-377,852,185.19

Finding the Fourth Proportional to 663,891,112.73, 916,250,073.41 and 377,852,185.19

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Solution

The fourth proportional to 663,891,112.73, 916,250,073.41 and 377,852,185.19 is: 521,481,739.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,891,112.73 : 916,250,073.41 = 377,852,185.19 : x
  2. Step 2: Convert to fraction form
    663,891,112.73/916,250,073.41 = 377,852,185.19/x
  3. Step 3: Cross multiply
    663,891,112.73x = 916,250,073.41 × 377,852,185.19
  4. Step 4: Simplify right side
    663,891,112.73x = 346,207,092,414,829,824
  5. Step 5: Solve for x
    x = 346,207,092,414,829,824/663,891,112.73
  6. Step 6: Final answer
    x = 521,481,739.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.