Home / 699,034,986,863.23-957,662,006,191.26-672,899,191,407.40

Finding the Fourth Proportional to 699,034,986,863.23, 957,662,006,191.26 and 672,899,191,407.40

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Solution

The fourth proportional to 699,034,986,863.23, 957,662,006,191.26 and 672,899,191,407.40 is: 921,856,561,857.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,034,986,863.23 : 957,662,006,191.26 = 672,899,191,407.40 : x
  2. Step 2: Convert to fraction form
    699,034,986,863.23/957,662,006,191.26 = 672,899,191,407.40/x
  3. Step 3: Cross multiply
    699,034,986,863.23x = 957,662,006,191.26 × 672,899,191,407.40
  4. Step 4: Simplify right side
    699,034,986,863.23x = 644,409,989,607,687,337,279,488
  5. Step 5: Solve for x
    x = 644,409,989,607,687,337,279,488/699,034,986,863.23
  6. Step 6: Final answer
    x = 921,856,561,857.28

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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.