Home / 524,419,894.08-723,699,489.60-289,470,620.16

Finding the Fourth Proportional to 524,419,894.08, 723,699,489.60 and 289,470,620.16

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Solution

The fourth proportional to 524,419,894.08, 723,699,489.60 and 289,470,620.16 is: 399,469,475.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,419,894.08 : 723,699,489.60 = 289,470,620.16 : x
  2. Step 2: Convert to fraction form
    524,419,894.08/723,699,489.60 = 289,470,620.16/x
  3. Step 3: Cross multiply
    524,419,894.08x = 723,699,489.60 × 289,470,620.16
  4. Step 4: Simplify right side
    524,419,894.08x = 209,489,740,063,987,488
  5. Step 5: Solve for x
    x = 209,489,740,063,987,488/524,419,894.08
  6. Step 6: Final answer
    x = 399,469,475.56

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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.