Home / 300,033,006.80-449,341,721.40-185,371,221.20

Finding the Fourth Proportional to 300,033,006.80, 449,341,721.40 and 185,371,221.20

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Solution

The fourth proportional to 300,033,006.80, 449,341,721.40 and 185,371,221.20 is: 277,619,534.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,033,006.80 : 449,341,721.40 = 185,371,221.20 : x
  2. Step 2: Convert to fraction form
    300,033,006.80/449,341,721.40 = 185,371,221.20/x
  3. Step 3: Cross multiply
    300,033,006.80x = 449,341,721.40 × 185,371,221.20
  4. Step 4: Simplify right side
    300,033,006.80x = 83,295,023,632,028,160
  5. Step 5: Solve for x
    x = 83,295,023,632,028,160/300,033,006.80
  6. Step 6: Final answer
    x = 277,619,534.33

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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.