Home / 457,057,420.61-685,494,468.27-223,787,626.61

Finding the Fourth Proportional to 457,057,420.61, 685,494,468.27 and 223,787,626.61

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Solution

The fourth proportional to 457,057,420.61, 685,494,468.27 and 223,787,626.61 is: 335,636,559.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,057,420.61 : 685,494,468.27 = 223,787,626.61 : x
  2. Step 2: Convert to fraction form
    457,057,420.61/685,494,468.27 = 223,787,626.61/x
  3. Step 3: Cross multiply
    457,057,420.61x = 685,494,468.27 × 223,787,626.61
  4. Step 4: Simplify right side
    457,057,420.61x = 153,405,180,104,999,776
  5. Step 5: Solve for x
    x = 153,405,180,104,999,776/457,057,420.61
  6. Step 6: Final answer
    x = 335,636,559.41

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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.