Home / 414,105,824,996.06-621,220,846,090.98-145,447,452,717.64

Finding the Fourth Proportional to 414,105,824,996.06, 621,220,846,090.98 and 145,447,452,717.64

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Solution

The fourth proportional to 414,105,824,996.06, 621,220,846,090.98 and 145,447,452,717.64 is: 218,192,993,638.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,105,824,996.06 : 621,220,846,090.98 = 145,447,452,717.64 : x
  2. Step 2: Convert to fraction form
    414,105,824,996.06/621,220,846,090.98 = 145,447,452,717.64/x
  3. Step 3: Cross multiply
    414,105,824,996.06x = 621,220,846,090.98 × 145,447,452,717.64
  4. Step 4: Simplify right side
    414,105,824,996.06x = 90,354,989,639,030,141,878,272
  5. Step 5: Solve for x
    x = 90,354,989,639,030,141,878,272/414,105,824,996.06
  6. Step 6: Final answer
    x = 218,192,993,638.50

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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.