Home / 513,659,903,852.40-770,489,855,778.60-335,136,542,521.20

Finding the Fourth Proportional to 513,659,903,852.40, 770,489,855,778.60 and 335,136,542,521.20

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Solution

The fourth proportional to 513,659,903,852.40, 770,489,855,778.60 and 335,136,542,521.20 is: 502,704,813,781.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,659,903,852.40 : 770,489,855,778.60 = 335,136,542,521.20 : x
  2. Step 2: Convert to fraction form
    513,659,903,852.40/770,489,855,778.60 = 335,136,542,521.20/x
  3. Step 3: Cross multiply
    513,659,903,852.40x = 770,489,855,778.60 × 335,136,542,521.20
  4. Step 4: Simplify right side
    513,659,903,852.40x = 258,219,306,313,298,049,236,992
  5. Step 5: Solve for x
    x = 258,219,306,313,298,049,236,992/513,659,903,852.40
  6. Step 6: Final answer
    x = 502,704,813,781.80

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Double scale
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Similar ratio
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1.5x scale

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.