Home / 457,057,423.11-685,494,472.02-223,787,629.11

Finding the Fourth Proportional to 457,057,423.11, 685,494,472.02 and 223,787,629.11

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Solution

The fourth proportional to 457,057,423.11, 685,494,472.02 and 223,787,629.11 is: 335,636,563.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,057,423.11 : 685,494,472.02 = 223,787,629.11 : x
  2. Step 2: Convert to fraction form
    457,057,423.11/685,494,472.02 = 223,787,629.11/x
  3. Step 3: Cross multiply
    457,057,423.11x = 685,494,472.02 × 223,787,629.11
  4. Step 4: Simplify right side
    457,057,423.11x = 153,405,182,661,367,040
  5. Step 5: Solve for x
    x = 153,405,182,661,367,040/457,057,423.11
  6. Step 6: Final answer
    x = 335,636,563.16

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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.