Home / 1,116,307,872-1,540,504,863.36-621,387,497.52

Finding the Fourth Proportional to 1,116,307,872, 1,540,504,863.36 and 621,387,497.52

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Solution

The fourth proportional to 1,116,307,872, 1,540,504,863.36 and 621,387,497.52 is: 857,514,746.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,116,307,872 : 1,540,504,863.36 = 621,387,497.52 : x
  2. Step 2: Convert to fraction form
    1,116,307,872/1,540,504,863.36 = 621,387,497.52/x
  3. Step 3: Cross multiply
    1,116,307,872x = 1,540,504,863.36 × 621,387,497.52
  4. Step 4: Simplify right side
    1,116,307,872x = 957,250,461,960,659,840
  5. Step 5: Solve for x
    x = 957,250,461,960,659,840/1,116,307,872
  6. Step 6: Final answer
    x = 857,514,746.58

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.