Home / 1,954,065,898.11-2,696,631,768.56-1,061,992,689.17

Finding the Fourth Proportional to 1,954,065,898.11, 2,696,631,768.56 and 1,061,992,689.17

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Solution

The fourth proportional to 1,954,065,898.11, 2,696,631,768.56 and 1,061,992,689.17 is: 1,465,561,231.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,954,065,898.11 : 2,696,631,768.56 = 1,061,992,689.17 : x
  2. Step 2: Convert to fraction form
    1,954,065,898.11/2,696,631,768.56 = 1,061,992,689.17/x
  3. Step 3: Cross multiply
    1,954,065,898.11x = 2,696,631,768.56 × 1,061,992,689.17
  4. Step 4: Simplify right side
    1,954,065,898.11x = 2,863,803,223,575,494,144
  5. Step 5: Solve for x
    x = 2,863,803,223,575,494,144/1,954,065,898.11
  6. Step 6: Final answer
    x = 1,465,561,231.25

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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.