Home / 20,411,491,194.65-30,628,213,742.72-19,668,545,146.49

Finding the Fourth Proportional to 20,411,491,194.65, 30,628,213,742.72 and 19,668,545,146.49

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Solution

The fourth proportional to 20,411,491,194.65, 30,628,213,742.72 and 19,668,545,146.49 is: 29,513,395,126.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,411,491,194.65 : 30,628,213,742.72 = 19,668,545,146.49 : x
  2. Step 2: Convert to fraction form
    20,411,491,194.65/30,628,213,742.72 = 19,668,545,146.49/x
  3. Step 3: Cross multiply
    20,411,491,194.65x = 30,628,213,742.72 × 19,668,545,146.49
  4. Step 4: Simplify right side
    20,411,491,194.65x = 602,412,404,754,919,981,056
  5. Step 5: Solve for x
    x = 602,412,404,754,919,981,056/20,411,491,194.65
  6. Step 6: Final answer
    x = 29,513,395,126.80

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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.