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Finding the Fourth Proportional to 382,626,288,081.90, 573,939,432,122.85 and 382,626,288,081.90

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Solution

The fourth proportional to 382,626,288,081.90, 573,939,432,122.85 and 382,626,288,081.90 is: 573,939,432,122.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,626,288,081.90 : 573,939,432,122.85 = 382,626,288,081.90 : x
  2. Step 2: Convert to fraction form
    382,626,288,081.90/573,939,432,122.85 = 382,626,288,081.90/x
  3. Step 3: Cross multiply
    382,626,288,081.90x = 573,939,432,122.85 × 382,626,288,081.90
  4. Step 4: Simplify right side
    382,626,288,081.90x = 219,604,314,496,999,685,619,712
  5. Step 5: Solve for x
    x = 219,604,314,496,999,685,619,712/382,626,288,081.90
  6. Step 6: Final answer
    x = 573,939,432,122.85

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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.