Home / 661,606,570.20-992,409,855.30-273,300,346.20

Finding the Fourth Proportional to 661,606,570.20, 992,409,855.30 and 273,300,346.20

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Solution

The fourth proportional to 661,606,570.20, 992,409,855.30 and 273,300,346.20 is: 409,950,519.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,606,570.20 : 992,409,855.30 = 273,300,346.20 : x
  2. Step 2: Convert to fraction form
    661,606,570.20/992,409,855.30 = 273,300,346.20/x
  3. Step 3: Cross multiply
    661,606,570.20x = 992,409,855.30 × 273,300,346.20
  4. Step 4: Simplify right side
    661,606,570.20x = 271,225,957,025,781,888
  5. Step 5: Solve for x
    x = 271,225,957,025,781,888/661,606,570.20
  6. Step 6: Final answer
    x = 409,950,519.30

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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.