Home / 457,057,459.80-685,494,527.04-223,787,665.80

Finding the Fourth Proportional to 457,057,459.80, 685,494,527.04 and 223,787,665.80

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Solution

The fourth proportional to 457,057,459.80, 685,494,527.04 and 223,787,665.80 is: 335,636,618.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,057,459.80 : 685,494,527.04 = 223,787,665.80 : x
  2. Step 2: Convert to fraction form
    457,057,459.80/685,494,527.04 = 223,787,665.80/x
  3. Step 3: Cross multiply
    457,057,459.80x = 685,494,527.04 × 223,787,665.80
  4. Step 4: Simplify right side
    457,057,459.80x = 153,405,220,124,956,576
  5. Step 5: Solve for x
    x = 153,405,220,124,956,576/457,057,459.80
  6. Step 6: Final answer
    x = 335,636,618.19

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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.