Home / 525,984,029.80-788,976,044.70-219,496,100.20

Finding the Fourth Proportional to 525,984,029.80, 788,976,044.70 and 219,496,100.20

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Solution

The fourth proportional to 525,984,029.80, 788,976,044.70 and 219,496,100.20 is: 329,244,150.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,984,029.80 : 788,976,044.70 = 219,496,100.20 : x
  2. Step 2: Convert to fraction form
    525,984,029.80/788,976,044.70 = 219,496,100.20/x
  3. Step 3: Cross multiply
    525,984,029.80x = 788,976,044.70 × 219,496,100.20
  4. Step 4: Simplify right side
    525,984,029.80x = 173,177,164,962,870,880
  5. Step 5: Solve for x
    x = 173,177,164,962,870,880/525,984,029.80
  6. Step 6: Final answer
    x = 329,244,150.30

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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.