Home / 20,881,168,083,335-28,814,713,579,835-11,505,440,938,503

Finding the Fourth Proportional to 20,881,168,083,335, 28,814,713,579,835 and 11,505,440,938,503

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Solution

The fourth proportional to 20,881,168,083,335, 28,814,713,579,835 and 11,505,440,938,503 is: 15,876,793,095,557.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,881,168,083,335 : 28,814,713,579,835 = 11,505,440,938,503 : x
  2. Step 2: Convert to fraction form
    20,881,168,083,335/28,814,713,579,835 = 11,505,440,938,503/x
  3. Step 3: Cross multiply
    20,881,168,083,335x = 28,814,713,579,835 × 11,505,440,938,503
  4. Step 4: Simplify right side
    20,881,168,083,335x = 331,525,985,252,671,930,515,849,216
  5. Step 5: Solve for x
    x = 331,525,985,252,671,930,515,849,216/20,881,168,083,335
  6. Step 6: Final answer
    x = 15,876,793,095,557.65

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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.