Home / 27,746,665,906.51-38,283,836,222.64-15,703,676,709.95

Finding the Fourth Proportional to 27,746,665,906.51, 38,283,836,222.64 and 15,703,676,709.95

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Solution

The fourth proportional to 27,746,665,906.51, 38,283,836,222.64 and 15,703,676,709.95 is: 21,667,359,576.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,746,665,906.51 : 38,283,836,222.64 = 15,703,676,709.95 : x
  2. Step 2: Convert to fraction form
    27,746,665,906.51/38,283,836,222.64 = 15,703,676,709.95/x
  3. Step 3: Cross multiply
    27,746,665,906.51x = 38,283,836,222.64 × 15,703,676,709.95
  4. Step 4: Simplify right side
    27,746,665,906.51x = 601,196,987,256,820,465,664
  5. Step 5: Solve for x
    x = 601,196,987,256,820,465,664/27,746,665,906.51
  6. Step 6: Final answer
    x = 21,667,359,576.92

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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.