Home / 414,105,824,995.06-621,220,846,089.48-145,447,452,716.64

Finding the Fourth Proportional to 414,105,824,995.06, 621,220,846,089.48 and 145,447,452,716.64

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Solution

The fourth proportional to 414,105,824,995.06, 621,220,846,089.48 and 145,447,452,716.64 is: 218,192,993,637.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,105,824,995.06 : 621,220,846,089.48 = 145,447,452,716.64 : x
  2. Step 2: Convert to fraction form
    414,105,824,995.06/621,220,846,089.48 = 145,447,452,716.64/x
  3. Step 3: Cross multiply
    414,105,824,995.06x = 621,220,846,089.48 × 145,447,452,716.64
  4. Step 4: Simplify right side
    414,105,824,995.06x = 90,354,989,638,190,744,207,360
  5. Step 5: Solve for x
    x = 90,354,989,638,190,744,207,360/414,105,824,995.06
  6. Step 6: Final answer
    x = 218,192,993,637.00

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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.