Home / 595,504,448.52-821,225,813.94-394,242,731.16

Finding the Fourth Proportional to 595,504,448.52, 821,225,813.94 and 394,242,731.16

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Solution

The fourth proportional to 595,504,448.52, 821,225,813.94 and 394,242,731.16 is: 543,677,395.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    595,504,448.52 : 821,225,813.94 = 394,242,731.16 : x
  2. Step 2: Convert to fraction form
    595,504,448.52/821,225,813.94 = 394,242,731.16/x
  3. Step 3: Cross multiply
    595,504,448.52x = 821,225,813.94 × 394,242,731.16
  4. Step 4: Simplify right side
    595,504,448.52x = 323,762,307,786,799,616
  5. Step 5: Solve for x
    x = 323,762,307,786,799,616/595,504,448.52
  6. Step 6: Final answer
    x = 543,677,395.85

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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.