Home / 421,415,758,404.60-581,554,177,001.19-228,727,971,056.68

Finding the Fourth Proportional to 421,415,758,404.60, 581,554,177,001.19 and 228,727,971,056.68

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Solution

The fourth proportional to 421,415,758,404.60, 581,554,177,001.19 and 228,727,971,056.68 is: 315,644,833,664.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,415,758,404.60 : 581,554,177,001.19 = 228,727,971,056.68 : x
  2. Step 2: Convert to fraction form
    421,415,758,404.60/581,554,177,001.19 = 228,727,971,056.68/x
  3. Step 3: Cross multiply
    421,415,758,404.60x = 581,554,177,001.19 × 228,727,971,056.68
  4. Step 4: Simplify right side
    421,415,758,404.60x = 133,017,706,965,019,521,974,272
  5. Step 5: Solve for x
    x = 133,017,706,965,019,521,974,272/421,415,758,404.60
  6. Step 6: Final answer
    x = 315,644,833,664.03

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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.