Home / 186,385,331,913.64-257,218,104,435.77-108,164,371,749.97

Finding the Fourth Proportional to 186,385,331,913.64, 257,218,104,435.77 and 108,164,371,749.97

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Solution

The fourth proportional to 186,385,331,913.64, 257,218,104,435.77 and 108,164,371,749.97 is: 149,270,515,996.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,385,331,913.64 : 257,218,104,435.77 = 108,164,371,749.97 : x
  2. Step 2: Convert to fraction form
    186,385,331,913.64/257,218,104,435.77 = 108,164,371,749.97/x
  3. Step 3: Cross multiply
    186,385,331,913.64x = 257,218,104,435.77 × 108,164,371,749.97
  4. Step 4: Simplify right side
    186,385,331,913.64x = 27,821,834,669,013,231,206,400
  5. Step 5: Solve for x
    x = 27,821,834,669,013,231,206,400/186,385,331,913.64
  6. Step 6: Final answer
    x = 149,270,515,996.96

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1.5x scale

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.