Home / 414,105,824,965.43-621,220,846,045.10-145,447,452,687.23

Finding the Fourth Proportional to 414,105,824,965.43, 621,220,846,045.10 and 145,447,452,687.23

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Solution

The fourth proportional to 414,105,824,965.43, 621,220,846,045.10 and 145,447,452,687.23 is: 218,192,993,592.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,105,824,965.43 : 621,220,846,045.10 = 145,447,452,687.23 : x
  2. Step 2: Convert to fraction form
    414,105,824,965.43/621,220,846,045.10 = 145,447,452,687.23/x
  3. Step 3: Cross multiply
    414,105,824,965.43x = 621,220,846,045.10 × 145,447,452,687.23
  4. Step 4: Simplify right side
    414,105,824,965.43x = 90,354,989,613,465,674,448,896
  5. Step 5: Solve for x
    x = 90,354,989,613,465,674,448,896/414,105,824,965.43
  6. Step 6: Final answer
    x = 218,192,993,592.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.