Home / 20,727,428,371,204-28,604,750,293,174-11,478,412,671,642

Finding the Fourth Proportional to 20,727,428,371,204, 28,604,750,293,174 and 11,478,412,671,642

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Solution

The fourth proportional to 20,727,428,371,204, 28,604,750,293,174 and 11,478,412,671,642 is: 15,840,707,412,139.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,727,428,371,204 : 28,604,750,293,174 = 11,478,412,671,642 : x
  2. Step 2: Convert to fraction form
    20,727,428,371,204/28,604,750,293,174 = 11,478,412,671,642/x
  3. Step 3: Cross multiply
    20,727,428,371,204x = 28,604,750,293,174 × 11,478,412,671,642
  4. Step 4: Simplify right side
    20,727,428,371,204x = 328,337,128,234,323,640,145,936,384
  5. Step 5: Solve for x
    x = 328,337,128,234,323,640,145,936,384/20,727,428,371,204
  6. Step 6: Final answer
    x = 15,840,707,412,139.59

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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.