Home / 1,836,419,623.20-2,755,367,636.40-745,988,032.80

Finding the Fourth Proportional to 1,836,419,623.20, 2,755,367,636.40 and 745,988,032.80

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Solution

The fourth proportional to 1,836,419,623.20, 2,755,367,636.40 and 745,988,032.80 is: 1,119,281,920.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,836,419,623.20 : 2,755,367,636.40 = 745,988,032.80 : x
  2. Step 2: Convert to fraction form
    1,836,419,623.20/2,755,367,636.40 = 745,988,032.80/x
  3. Step 3: Cross multiply
    1,836,419,623.20x = 2,755,367,636.40 × 745,988,032.80
  4. Step 4: Simplify right side
    1,836,419,623.20x = 2,055,471,282,718,821,632
  5. Step 5: Solve for x
    x = 2,055,471,282,718,821,632/1,836,419,623.20
  6. Step 6: Final answer
    x = 1,119,281,920.51

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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.