Home / 699,034,986,860.73-957,662,006,187.83-672,899,191,404.90

Finding the Fourth Proportional to 699,034,986,860.73, 957,662,006,187.83 and 672,899,191,404.90

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Solution

The fourth proportional to 699,034,986,860.73, 957,662,006,187.83 and 672,899,191,404.90 is: 921,856,561,853.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,034,986,860.73 : 957,662,006,187.83 = 672,899,191,404.90 : x
  2. Step 2: Convert to fraction form
    699,034,986,860.73/957,662,006,187.83 = 672,899,191,404.90/x
  3. Step 3: Cross multiply
    699,034,986,860.73x = 957,662,006,187.83 × 672,899,191,404.90
  4. Step 4: Simplify right side
    699,034,986,860.73x = 644,409,989,602,985,153,396,736
  5. Step 5: Solve for x
    x = 644,409,989,602,985,153,396,736/699,034,986,860.73
  6. Step 6: Final answer
    x = 921,856,561,853.85

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.