Home / 699,034,986,862.23-957,662,006,189.89-672,899,191,406.40

Finding the Fourth Proportional to 699,034,986,862.23, 957,662,006,189.89 and 672,899,191,406.40

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Solution

The fourth proportional to 699,034,986,862.23, 957,662,006,189.89 and 672,899,191,406.40 is: 921,856,561,855.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,034,986,862.23 : 957,662,006,189.89 = 672,899,191,406.40 : x
  2. Step 2: Convert to fraction form
    699,034,986,862.23/957,662,006,189.89 = 672,899,191,406.40/x
  3. Step 3: Cross multiply
    699,034,986,862.23x = 957,662,006,189.89 × 672,899,191,406.40
  4. Step 4: Simplify right side
    699,034,986,862.23x = 644,409,989,605,807,886,434,304
  5. Step 5: Solve for x
    x = 644,409,989,605,807,886,434,304/699,034,986,862.23
  6. Step 6: Final answer
    x = 921,856,561,855.91

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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.