Home / 20,727,428,370,938-28,604,750,292,801-11,478,412,671,374

Finding the Fourth Proportional to 20,727,428,370,938, 28,604,750,292,801 and 11,478,412,671,374

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Solution

The fourth proportional to 20,727,428,370,938, 28,604,750,292,801 and 11,478,412,671,374 is: 15,840,707,411,766.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,727,428,370,938 : 28,604,750,292,801 = 11,478,412,671,374 : x
  2. Step 2: Convert to fraction form
    20,727,428,370,938/28,604,750,292,801 = 11,478,412,671,374/x
  3. Step 3: Cross multiply
    20,727,428,370,938x = 28,604,750,292,801 × 11,478,412,671,374
  4. Step 4: Simplify right side
    20,727,428,370,938x = 328,337,128,222,376,140,640,092,160
  5. Step 5: Solve for x
    x = 328,337,128,222,376,140,640,092,160/20,727,428,370,938
  6. Step 6: Final answer
    x = 15,840,707,411,766.47

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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.