Home / 853,634,652.75-1,177,655,100.42-571,468,003.43

Finding the Fourth Proportional to 853,634,652.75, 1,177,655,100.42 and 571,468,003.43

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Solution

The fourth proportional to 853,634,652.75, 1,177,655,100.42 and 571,468,003.43 is: 788,384,359.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,634,652.75 : 1,177,655,100.42 = 571,468,003.43 : x
  2. Step 2: Convert to fraction form
    853,634,652.75/1,177,655,100.42 = 571,468,003.43/x
  3. Step 3: Cross multiply
    853,634,652.75x = 1,177,655,100.42 × 571,468,003.43
  4. Step 4: Simplify right side
    853,634,652.75x = 672,992,208,962,399,744
  5. Step 5: Solve for x
    x = 672,992,208,962,399,744/853,634,652.75
  6. Step 6: Final answer
    x = 788,384,359.51

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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.