Home / 786,554,619,365.40-1,085,433,823,021.90-439,329,965,546.62

Finding the Fourth Proportional to 786,554,619,365.40, 1,085,433,823,021.90 and 439,329,965,546.62

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Solution

The fourth proportional to 786,554,619,365.40, 1,085,433,823,021.90 and 439,329,965,546.62 is: 606,268,900,252.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,554,619,365.40 : 1,085,433,823,021.90 = 439,329,965,546.62 : x
  2. Step 2: Convert to fraction form
    786,554,619,365.40/1,085,433,823,021.90 = 439,329,965,546.62/x
  3. Step 3: Cross multiply
    786,554,619,365.40x = 1,085,433,823,021.90 × 439,329,965,546.62
  4. Step 4: Simplify right side
    786,554,619,365.40x = 476,863,604,071,347,393,658,880
  5. Step 5: Solve for x
    x = 476,863,604,071,347,393,658,880/786,554,619,365.40
  6. Step 6: Final answer
    x = 606,268,900,252.71

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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.