Home / 524,416,538.13-723,694,893.45-289,467,242.94

Finding the Fourth Proportional to 524,416,538.13, 723,694,893.45 and 289,467,242.94

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Solution

The fourth proportional to 524,416,538.13, 723,694,893.45 and 289,467,242.94 is: 399,464,834.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,416,538.13 : 723,694,893.45 = 289,467,242.94 : x
  2. Step 2: Convert to fraction form
    524,416,538.13/723,694,893.45 = 289,467,242.94/x
  3. Step 3: Cross multiply
    524,416,538.13x = 723,694,893.45 × 289,467,242.94
  4. Step 4: Simplify right side
    524,416,538.13x = 209,485,965,540,527,936
  5. Step 5: Solve for x
    x = 209,485,965,540,527,936/524,416,538.13
  6. Step 6: Final answer
    x = 399,464,834.36

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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.