Home / 40,455,912,791,956-55,829,200,971,448-21,957,885,206,446

Finding the Fourth Proportional to 40,455,912,791,956, 55,829,200,971,448 and 21,957,885,206,446

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Solution

The fourth proportional to 40,455,912,791,956, 55,829,200,971,448 and 21,957,885,206,446 is: 30,301,904,010,985.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,455,912,791,956 : 55,829,200,971,448 = 21,957,885,206,446 : x
  2. Step 2: Convert to fraction form
    40,455,912,791,956/55,829,200,971,448 = 21,957,885,206,446/x
  3. Step 3: Cross multiply
    40,455,912,791,956x = 55,829,200,971,448 × 21,957,885,206,446
  4. Step 4: Simplify right side
    40,455,912,791,956x = 1,225,891,186,098,658,710,770,417,664
  5. Step 5: Solve for x
    x = 1,225,891,186,098,658,710,770,417,664/40,455,912,791,956
  6. Step 6: Final answer
    x = 30,301,904,010,985.69

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Double scale
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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.