Home / 479,260,425,561.45-661,400,177,246.75-265,404,315,633.45

Finding the Fourth Proportional to 479,260,425,561.45, 661,400,177,246.75 and 265,404,315,633.45

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Solution

The fourth proportional to 479,260,425,561.45, 661,400,177,246.75 and 265,404,315,633.45 is: 366,269,468,622.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,260,425,561.45 : 661,400,177,246.75 = 265,404,315,633.45 : x
  2. Step 2: Convert to fraction form
    479,260,425,561.45/661,400,177,246.75 = 265,404,315,633.45/x
  3. Step 3: Cross multiply
    479,260,425,561.45x = 661,400,177,246.75 × 265,404,315,633.45
  4. Step 4: Simplify right side
    479,260,425,561.45x = 175,538,461,402,016,203,669,504
  5. Step 5: Solve for x
    x = 175,538,461,402,016,203,669,504/479,260,425,561.45
  6. Step 6: Final answer
    x = 366,269,468,622.15

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1.5x scale

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.