Home / 57,760,128,136.80-86,640,192,205.20-49,770,656,719.20

Finding the Fourth Proportional to 57,760,128,136.80, 86,640,192,205.20 and 49,770,656,719.20

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Solution

The fourth proportional to 57,760,128,136.80, 86,640,192,205.20 and 49,770,656,719.20 is: 74,655,985,078.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,760,128,136.80 : 86,640,192,205.20 = 49,770,656,719.20 : x
  2. Step 2: Convert to fraction form
    57,760,128,136.80/86,640,192,205.20 = 49,770,656,719.20/x
  3. Step 3: Cross multiply
    57,760,128,136.80x = 86,640,192,205.20 × 49,770,656,719.20
  4. Step 4: Simplify right side
    57,760,128,136.80x = 4,312,139,264,330,516,398,080
  5. Step 5: Solve for x
    x = 4,312,139,264,330,516,398,080/57,760,128,136.80
  6. Step 6: Final answer
    x = 74,655,985,078.80

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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.