Home / 20,727,428,371,206-28,604,750,293,174-11,478,412,671,643

Finding the Fourth Proportional to 20,727,428,371,206, 28,604,750,293,174 and 11,478,412,671,643

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Solution

The fourth proportional to 20,727,428,371,206, 28,604,750,293,174 and 11,478,412,671,643 is: 15,840,707,412,139.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,727,428,371,206 : 28,604,750,293,174 = 11,478,412,671,643 : x
  2. Step 2: Convert to fraction form
    20,727,428,371,206/28,604,750,293,174 = 11,478,412,671,643/x
  3. Step 3: Cross multiply
    20,727,428,371,206x = 28,604,750,293,174 × 11,478,412,671,643
  4. Step 4: Simplify right side
    20,727,428,371,206x = 328,337,128,234,352,227,448,258,560
  5. Step 5: Solve for x
    x = 328,337,128,234,352,227,448,258,560/20,727,428,371,206
  6. Step 6: Final answer
    x = 15,840,707,412,139.44

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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.