Home / 770,489,856,129.60-1,155,734,784,194.40-502,704,814,132.80

Finding the Fourth Proportional to 770,489,856,129.60, 1,155,734,784,194.40 and 502,704,814,132.80

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Solution

The fourth proportional to 770,489,856,129.60, 1,155,734,784,194.40 and 502,704,814,132.80 is: 754,057,221,199.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,489,856,129.60 : 1,155,734,784,194.40 = 502,704,814,132.80 : x
  2. Step 2: Convert to fraction form
    770,489,856,129.60/1,155,734,784,194.40 = 502,704,814,132.80/x
  3. Step 3: Cross multiply
    770,489,856,129.60x = 1,155,734,784,194.40 × 502,704,814,132.80
  4. Step 4: Simplify right side
    770,489,856,129.60x = 580,993,439,875,257,530,843,136
  5. Step 5: Solve for x
    x = 580,993,439,875,257,530,843,136/770,489,856,129.60
  6. Step 6: Final answer
    x = 754,057,221,199.20

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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.