Home / 786,554,619,363.03-1,085,433,823,018.50-439,329,965,544.15

Finding the Fourth Proportional to 786,554,619,363.03, 1,085,433,823,018.50 and 439,329,965,544.15

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Solution

The fourth proportional to 786,554,619,363.03, 1,085,433,823,018.50 and 439,329,965,544.15 is: 606,268,900,249.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,554,619,363.03 : 1,085,433,823,018.50 = 439,329,965,544.15 : x
  2. Step 2: Convert to fraction form
    786,554,619,363.03/1,085,433,823,018.50 = 439,329,965,544.15/x
  3. Step 3: Cross multiply
    786,554,619,363.03x = 1,085,433,823,018.50 × 439,329,965,544.15
  4. Step 4: Simplify right side
    786,554,619,363.03x = 476,863,604,067,172,618,338,304
  5. Step 5: Solve for x
    x = 476,863,604,067,172,618,338,304/786,554,619,363.03
  6. Step 6: Final answer
    x = 606,268,900,249.23

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Double scale
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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.