Home / 2,641,988,359.41-3,962,983,661.66-776,634,186.09

Finding the Fourth Proportional to 2,641,988,359.41, 3,962,983,661.66 and 776,634,186.09

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Solution

The fourth proportional to 2,641,988,359.41, 3,962,983,661.66 and 776,634,186.09 is: 1,164,951,609.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,641,988,359.41 : 3,962,983,661.66 = 776,634,186.09 : x
  2. Step 2: Convert to fraction form
    2,641,988,359.41/3,962,983,661.66 = 776,634,186.09/x
  3. Step 3: Cross multiply
    2,641,988,359.41x = 3,962,983,661.66 × 776,634,186.09
  4. Step 4: Simplify right side
    2,641,988,359.41x = 3,077,788,590,557,399,040
  5. Step 5: Solve for x
    x = 3,077,788,590,557,399,040/2,641,988,359.41
  6. Step 6: Final answer
    x = 1,164,951,609.11

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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.