Home / 2,115,732,809.67-2,919,537,729.06-1,245,558,914.24

Finding the Fourth Proportional to 2,115,732,809.67, 2,919,537,729.06 and 1,245,558,914.24

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Solution

The fourth proportional to 2,115,732,809.67, 2,919,537,729.06 and 1,245,558,914.24 is: 1,718,769,131.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,115,732,809.67 : 2,919,537,729.06 = 1,245,558,914.24 : x
  2. Step 2: Convert to fraction form
    2,115,732,809.67/2,919,537,729.06 = 1,245,558,914.24/x
  3. Step 3: Cross multiply
    2,115,732,809.67x = 2,919,537,729.06 × 1,245,558,914.24
  4. Step 4: Simplify right side
    2,115,732,809.67x = 3,636,456,243,876,090,880
  5. Step 5: Solve for x
    x = 3,636,456,243,876,090,880/2,115,732,809.67
  6. Step 6: Final answer
    x = 1,718,769,131.55

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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.