Home / 826,918,383.60-1,141,198,201.08-455,640,316.56

Finding the Fourth Proportional to 826,918,383.60, 1,141,198,201.08 and 455,640,316.56

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Solution

The fourth proportional to 826,918,383.60, 1,141,198,201.08 and 455,640,316.56 is: 628,811,645.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,918,383.60 : 1,141,198,201.08 = 455,640,316.56 : x
  2. Step 2: Convert to fraction form
    826,918,383.60/1,141,198,201.08 = 455,640,316.56/x
  3. Step 3: Cross multiply
    826,918,383.60x = 1,141,198,201.08 × 455,640,316.56
  4. Step 4: Simplify right side
    826,918,383.60x = 519,975,909,597,793,728
  5. Step 5: Solve for x
    x = 519,975,909,597,793,728/826,918,383.60
  6. Step 6: Final answer
    x = 628,811,645.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.