Home / 486,573,627,299.27-671,473,052,047.70-269,815,092,218.78

Finding the Fourth Proportional to 486,573,627,299.27, 671,473,052,047.70 and 269,815,092,218.78

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Solution

The fourth proportional to 486,573,627,299.27, 671,473,052,047.70 and 269,815,092,218.78 is: 372,345,629,306.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,573,627,299.27 : 671,473,052,047.70 = 269,815,092,218.78 : x
  2. Step 2: Convert to fraction form
    486,573,627,299.27/671,473,052,047.70 = 269,815,092,218.78/x
  3. Step 3: Cross multiply
    486,573,627,299.27x = 671,473,052,047.70 × 269,815,092,218.78
  4. Step 4: Simplify right side
    486,573,627,299.27x = 181,173,563,460,675,839,197,184
  5. Step 5: Solve for x
    x = 181,173,563,460,675,839,197,184/486,573,627,299.27
  6. Step 6: Final answer
    x = 372,345,629,306.47

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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.