Home / 537,816,768.57-742,225,149.09-299,677,761.23

Finding the Fourth Proportional to 537,816,768.57, 742,225,149.09 and 299,677,761.23

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Solution

The fourth proportional to 537,816,768.57, 742,225,149.09 and 299,677,761.23 is: 413,576,489.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,816,768.57 : 742,225,149.09 = 299,677,761.23 : x
  2. Step 2: Convert to fraction form
    537,816,768.57/742,225,149.09 = 299,677,761.23/x
  3. Step 3: Cross multiply
    537,816,768.57x = 742,225,149.09 × 299,677,761.23
  4. Step 4: Simplify right side
    537,816,768.57x = 222,428,371,004,183,072
  5. Step 5: Solve for x
    x = 222,428,371,004,183,072/537,816,768.57
  6. Step 6: Final answer
    x = 413,576,489.25

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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.