Home / 465,661,177.80-642,450,137.50-298,489,615.16

Finding the Fourth Proportional to 465,661,177.80, 642,450,137.50 and 298,489,615.16

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Solution

The fourth proportional to 465,661,177.80, 642,450,137.50 and 298,489,615.16 is: 411,811,642.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,661,177.80 : 642,450,137.50 = 298,489,615.16 : x
  2. Step 2: Convert to fraction form
    465,661,177.80/642,450,137.50 = 298,489,615.16/x
  3. Step 3: Cross multiply
    465,661,177.80x = 642,450,137.50 × 298,489,615.16
  4. Step 4: Simplify right side
    465,661,177.80x = 191,764,694,301,864,096
  5. Step 5: Solve for x
    x = 191,764,694,301,864,096/465,661,177.80
  6. Step 6: Final answer
    x = 411,811,642.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.