Home / 479,260,425,482.79-661,400,177,138.23-265,404,315,554.79

Finding the Fourth Proportional to 479,260,425,482.79, 661,400,177,138.23 and 265,404,315,554.79

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Solution

The fourth proportional to 479,260,425,482.79, 661,400,177,138.23 and 265,404,315,554.79 is: 366,269,468,513.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,260,425,482.79 : 661,400,177,138.23 = 265,404,315,554.79 : x
  2. Step 2: Convert to fraction form
    479,260,425,482.79/661,400,177,138.23 = 265,404,315,554.79/x
  3. Step 3: Cross multiply
    479,260,425,482.79x = 661,400,177,138.23 × 265,404,315,554.79
  4. Step 4: Simplify right side
    479,260,425,482.79x = 175,538,461,321,188,811,472,896
  5. Step 5: Solve for x
    x = 175,538,461,321,188,811,472,896/479,260,425,482.79
  6. Step 6: Final answer
    x = 366,269,468,513.61

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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.