Home / 2,235,901,711.98-3,085,503,860.16-1,218,635,939.28

Finding the Fourth Proportional to 2,235,901,711.98, 3,085,503,860.16 and 1,218,635,939.28

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Solution

The fourth proportional to 2,235,901,711.98, 3,085,503,860.16 and 1,218,635,939.28 is: 1,681,695,521.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,235,901,711.98 : 3,085,503,860.16 = 1,218,635,939.28 : x
  2. Step 2: Convert to fraction form
    2,235,901,711.98/3,085,503,860.16 = 1,218,635,939.28/x
  3. Step 3: Cross multiply
    2,235,901,711.98x = 3,085,503,860.16 × 1,218,635,939.28
  4. Step 4: Simplify right side
    2,235,901,711.98x = 3,760,105,894,778,147,328
  5. Step 5: Solve for x
    x = 3,760,105,894,778,147,328/2,235,901,711.98
  6. Step 6: Final answer
    x = 1,681,695,521.15

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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.