Home / 10,981,270,941.54-15,155,810,403.64-6,696,969,806.12

Finding the Fourth Proportional to 10,981,270,941.54, 15,155,810,403.64 and 6,696,969,806.12

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Solution

The fourth proportional to 10,981,270,941.54, 15,155,810,403.64 and 6,696,969,806.12 is: 9,242,828,557.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,981,270,941.54 : 15,155,810,403.64 = 6,696,969,806.12 : x
  2. Step 2: Convert to fraction form
    10,981,270,941.54/15,155,810,403.64 = 6,696,969,806.12/x
  3. Step 3: Cross multiply
    10,981,270,941.54x = 15,155,810,403.64 × 6,696,969,806.12
  4. Step 4: Simplify right side
    10,981,270,941.54x = 101,498,004,660,456,439,808
  5. Step 5: Solve for x
    x = 101,498,004,660,456,439,808/10,981,270,941.54
  6. Step 6: Final answer
    x = 9,242,828,557.90

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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.