Home / 1,300,917,302,804.80-1,795,308,932,102.20-714,987,917,010.72

Finding the Fourth Proportional to 1,300,917,302,804.80, 1,795,308,932,102.20 and 714,987,917,010.72

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Solution

The fourth proportional to 1,300,917,302,804.80, 1,795,308,932,102.20 and 714,987,917,010.72 is: 986,706,988,205.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,300,917,302,804.80 : 1,795,308,932,102.20 = 714,987,917,010.72 : x
  2. Step 2: Convert to fraction form
    1,300,917,302,804.80/1,795,308,932,102.20 = 714,987,917,010.72/x
  3. Step 3: Cross multiply
    1,300,917,302,804.80x = 1,795,308,932,102.20 × 714,987,917,010.72
  4. Step 4: Simplify right side
    1,300,917,302,804.80x = 1,283,624,193,754,491,917,434,880
  5. Step 5: Solve for x
    x = 1,283,624,193,754,491,917,434,880/1,300,917,302,804.80
  6. Step 6: Final answer
    x = 986,706,988,205.15

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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.