Home / 258,717,573,333.45-387,729,469,165.42-201,353,675,510.23

Finding the Fourth Proportional to 258,717,573,333.45, 387,729,469,165.42 and 201,353,675,510.23

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Solution

The fourth proportional to 258,717,573,333.45, 387,729,469,165.42 and 201,353,675,510.23 is: 301,760,536,457.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,717,573,333.45 : 387,729,469,165.42 = 201,353,675,510.23 : x
  2. Step 2: Convert to fraction form
    258,717,573,333.45/387,729,469,165.42 = 201,353,675,510.23/x
  3. Step 3: Cross multiply
    258,717,573,333.45x = 387,729,469,165.42 × 201,353,675,510.23
  4. Step 4: Simplify right side
    258,717,573,333.45x = 78,070,753,720,087,707,910,144
  5. Step 5: Solve for x
    x = 78,070,753,720,087,707,910,144/258,717,573,333.45
  6. Step 6: Final answer
    x = 301,760,536,457.51

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1.5x scale

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.