Home / 525,981,702.80-788,972,554.20-219,493,773.20

Finding the Fourth Proportional to 525,981,702.80, 788,972,554.20 and 219,493,773.20

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Solution

The fourth proportional to 525,981,702.80, 788,972,554.20 and 219,493,773.20 is: 329,240,659.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,981,702.80 : 788,972,554.20 = 219,493,773.20 : x
  2. Step 2: Convert to fraction form
    525,981,702.80/788,972,554.20 = 219,493,773.20/x
  3. Step 3: Cross multiply
    525,981,702.80x = 788,972,554.20 × 219,493,773.20
  4. Step 4: Simplify right side
    525,981,702.80x = 173,174,562,872,599,520
  5. Step 5: Solve for x
    x = 173,174,562,872,599,520/525,981,702.80
  6. Step 6: Final answer
    x = 329,240,659.80

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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.