Home / 263,239,620.30-394,859,430.45-186,712,116.30

Finding the Fourth Proportional to 263,239,620.30, 394,859,430.45 and 186,712,116.30

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Solution

The fourth proportional to 263,239,620.30, 394,859,430.45 and 186,712,116.30 is: 280,068,174.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,239,620.30 : 394,859,430.45 = 186,712,116.30 : x
  2. Step 2: Convert to fraction form
    263,239,620.30/394,859,430.45 = 186,712,116.30/x
  3. Step 3: Cross multiply
    263,239,620.30x = 394,859,430.45 × 186,712,116.30
  4. Step 4: Simplify right side
    263,239,620.30x = 73,725,039,900,332,160
  5. Step 5: Solve for x
    x = 73,725,039,900,332,160/263,239,620.30
  6. Step 6: Final answer
    x = 280,068,174.45

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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.