Home / 1,915,200,833,185.40-2,642,975,424,824.80-1,081,084,133,105.80

Finding the Fourth Proportional to 1,915,200,833,185.40, 2,642,975,424,824.80 and 1,081,084,133,105.80

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Solution

The fourth proportional to 1,915,200,833,185.40, 2,642,975,424,824.80 and 1,081,084,133,105.80 is: 1,491,895,129,981.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,915,200,833,185.40 : 2,642,975,424,824.80 = 1,081,084,133,105.80 : x
  2. Step 2: Convert to fraction form
    1,915,200,833,185.40/2,642,975,424,824.80 = 1,081,084,133,105.80/x
  3. Step 3: Cross multiply
    1,915,200,833,185.40x = 2,642,975,424,824.80 × 1,081,084,133,105.80
  4. Step 4: Simplify right side
    1,915,200,833,185.40x = 2,857,278,795,966,652,138,651,648
  5. Step 5: Solve for x
    x = 2,857,278,795,966,652,138,651,648/1,915,200,833,185.40
  6. Step 6: Final answer
    x = 1,491,895,129,981.94

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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.