Home / 756,993,039.35-1,044,606,809.39-422,439,304.58

Finding the Fourth Proportional to 756,993,039.35, 1,044,606,809.39 and 422,439,304.58

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Solution

The fourth proportional to 756,993,039.35, 1,044,606,809.39 and 422,439,304.58 is: 582,941,917.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,993,039.35 : 1,044,606,809.39 = 422,439,304.58 : x
  2. Step 2: Convert to fraction form
    756,993,039.35/1,044,606,809.39 = 422,439,304.58/x
  3. Step 3: Cross multiply
    756,993,039.35x = 1,044,606,809.39 × 422,439,304.58
  4. Step 4: Simplify right side
    756,993,039.35x = 441,282,974,118,743,488
  5. Step 5: Solve for x
    x = 441,282,974,118,743,488/756,993,039.35
  6. Step 6: Final answer
    x = 582,941,917.80

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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.