Home / 454,172,198.87-626,757,909.09-245,328,433.79

Finding the Fourth Proportional to 454,172,198.87, 626,757,909.09 and 245,328,433.79

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Solution

The fourth proportional to 454,172,198.87, 626,757,909.09 and 245,328,433.79 is: 338,553,386.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,172,198.87 : 626,757,909.09 = 245,328,433.79 : x
  2. Step 2: Convert to fraction form
    454,172,198.87/626,757,909.09 = 245,328,433.79/x
  3. Step 3: Cross multiply
    454,172,198.87x = 626,757,909.09 × 245,328,433.79
  4. Step 4: Simplify right side
    454,172,198.87x = 153,761,536,199,411,136
  5. Step 5: Solve for x
    x = 153,761,536,199,411,136/454,172,198.87
  6. Step 6: Final answer
    x = 338,553,386.98

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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.