Home / 442,859,708.80-664,289,563.20-183,988,892.80

Finding the Fourth Proportional to 442,859,708.80, 664,289,563.20 and 183,988,892.80

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Solution

The fourth proportional to 442,859,708.80, 664,289,563.20 and 183,988,892.80 is: 275,983,339.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,859,708.80 : 664,289,563.20 = 183,988,892.80 : x
  2. Step 2: Convert to fraction form
    442,859,708.80/664,289,563.20 = 183,988,892.80/x
  3. Step 3: Cross multiply
    442,859,708.80x = 664,289,563.20 × 183,988,892.80
  4. Step 4: Simplify right side
    442,859,708.80x = 122,221,901,231,763,648
  5. Step 5: Solve for x
    x = 122,221,901,231,763,648/442,859,708.80
  6. Step 6: Final answer
    x = 275,983,339.20

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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.