Home / 561,902,152,702.20-843,034,746,965.80-259,912,854,179.70

Finding the Fourth Proportional to 561,902,152,702.20, 843,034,746,965.80 and 259,912,854,179.70

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Solution

The fourth proportional to 561,902,152,702.20, 843,034,746,965.80 and 259,912,854,179.70 is: 389,953,243,999.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,902,152,702.20 : 843,034,746,965.80 = 259,912,854,179.70 : x
  2. Step 2: Convert to fraction form
    561,902,152,702.20/843,034,746,965.80 = 259,912,854,179.70/x
  3. Step 3: Cross multiply
    561,902,152,702.20x = 843,034,746,965.80 × 259,912,854,179.70
  4. Step 4: Simplify right side
    561,902,152,702.20x = 219,115,567,256,542,281,465,856
  5. Step 5: Solve for x
    x = 219,115,567,256,542,281,465,856/561,902,152,702.20
  6. Step 6: Final answer
    x = 389,953,243,999.53

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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.