Home / 414,105,824,994.56-621,220,846,088.75-145,447,452,716.14

Finding the Fourth Proportional to 414,105,824,994.56, 621,220,846,088.75 and 145,447,452,716.14

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Solution

The fourth proportional to 414,105,824,994.56, 621,220,846,088.75 and 145,447,452,716.14 is: 218,192,993,636.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,105,824,994.56 : 621,220,846,088.75 = 145,447,452,716.14 : x
  2. Step 2: Convert to fraction form
    414,105,824,994.56/621,220,846,088.75 = 145,447,452,716.14/x
  3. Step 3: Cross multiply
    414,105,824,994.56x = 621,220,846,088.75 × 145,447,452,716.14
  4. Step 4: Simplify right side
    414,105,824,994.56x = 90,354,989,637,773,964,607,488
  5. Step 5: Solve for x
    x = 90,354,989,637,773,964,607,488/414,105,824,994.56
  6. Step 6: Final answer
    x = 218,192,993,636.26

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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.