Home / 479,260,312,243.72-661,400,020,867.96-265,404,202,315.76

Finding the Fourth Proportional to 479,260,312,243.72, 661,400,020,867.96 and 265,404,202,315.76

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Solution

The fourth proportional to 479,260,312,243.72, 661,400,020,867.96 and 265,404,202,315.76 is: 366,269,312,241.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,260,312,243.72 : 661,400,020,867.96 = 265,404,202,315.76 : x
  2. Step 2: Convert to fraction form
    479,260,312,243.72/661,400,020,867.96 = 265,404,202,315.76/x
  3. Step 3: Cross multiply
    479,260,312,243.72x = 661,400,020,867.96 × 265,404,202,315.76
  4. Step 4: Simplify right side
    479,260,312,243.72x = 175,538,344,950,087,932,706,816
  5. Step 5: Solve for x
    x = 175,538,344,950,087,932,706,816/479,260,312,243.72
  6. Step 6: Final answer
    x = 366,269,312,241.36

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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.