Home / 2,768,849,716.92-3,821,012,795.75-1,515,786,572.81

Finding the Fourth Proportional to 2,768,849,716.92, 3,821,012,795.75 and 1,515,786,572.81

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Solution

The fourth proportional to 2,768,849,716.92, 3,821,012,795.75 and 1,515,786,572.81 is: 2,091,785,572.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,768,849,716.92 : 3,821,012,795.75 = 1,515,786,572.81 : x
  2. Step 2: Convert to fraction form
    2,768,849,716.92/3,821,012,795.75 = 1,515,786,572.81/x
  3. Step 3: Cross multiply
    2,768,849,716.92x = 3,821,012,795.75 × 1,515,786,572.81
  4. Step 4: Simplify right side
    2,768,849,716.92x = 5,791,839,890,306,365,440
  5. Step 5: Solve for x
    x = 5,791,839,890,306,365,440/2,768,849,716.92
  6. Step 6: Final answer
    x = 2,091,785,572.51

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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.