Home / 786,833,913.71-1,085,926,016.11-447,824,814.33

Finding the Fourth Proportional to 786,833,913.71, 1,085,926,016.11 and 447,824,814.33

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Solution

The fourth proportional to 786,833,913.71, 1,085,926,016.11 and 447,824,814.33 is: 618,052,435.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,833,913.71 : 1,085,926,016.11 = 447,824,814.33 : x
  2. Step 2: Convert to fraction form
    786,833,913.71/1,085,926,016.11 = 447,824,814.33/x
  3. Step 3: Cross multiply
    786,833,913.71x = 1,085,926,016.11 × 447,824,814.33
  4. Step 4: Simplify right side
    786,833,913.71x = 486,304,616,545,826,048
  5. Step 5: Solve for x
    x = 486,304,616,545,826,048/786,833,913.71
  6. Step 6: Final answer
    x = 618,052,435.30

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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.