Home / 454,172,136.81-626,757,823.37-245,328,371.72

Finding the Fourth Proportional to 454,172,136.81, 626,757,823.37 and 245,328,371.72

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Solution

The fourth proportional to 454,172,136.81, 626,757,823.37 and 245,328,371.72 is: 338,553,301.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,172,136.81 : 626,757,823.37 = 245,328,371.72 : x
  2. Step 2: Convert to fraction form
    454,172,136.81/626,757,823.37 = 245,328,371.72/x
  3. Step 3: Cross multiply
    454,172,136.81x = 626,757,823.37 × 245,328,371.72
  4. Step 4: Simplify right side
    454,172,136.81x = 153,761,476,270,133,472
  5. Step 5: Solve for x
    x = 153,761,476,270,133,472/454,172,136.81
  6. Step 6: Final answer
    x = 338,553,301.29

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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.