Home / 21,841,865,985,407-30,141,534,934,821-11,830,109,213,485

Finding the Fourth Proportional to 21,841,865,985,407, 30,141,534,934,821 and 11,830,109,213,485

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Solution

The fourth proportional to 21,841,865,985,407, 30,141,534,934,821 and 11,830,109,213,485 is: 16,325,420,656,790.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,841,865,985,407 : 30,141,534,934,821 = 11,830,109,213,485 : x
  2. Step 2: Convert to fraction form
    21,841,865,985,407/30,141,534,934,821 = 11,830,109,213,485/x
  3. Step 3: Cross multiply
    21,841,865,985,407x = 30,141,534,934,821 × 11,830,109,213,485
  4. Step 4: Simplify right side
    21,841,865,985,407x = 356,577,650,141,005,882,228,473,856
  5. Step 5: Solve for x
    x = 356,577,650,141,005,882,228,473,856/21,841,865,985,407
  6. Step 6: Final answer
    x = 16,325,420,656,790.16

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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.