Home / 421,415,758,489.35-581,554,177,117.45-228,727,971,141

Finding the Fourth Proportional to 421,415,758,489.35, 581,554,177,117.45 and 228,727,971,141

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Solution

The fourth proportional to 421,415,758,489.35, 581,554,177,117.45 and 228,727,971,141 is: 315,644,833,780.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,415,758,489.35 : 581,554,177,117.45 = 228,727,971,141 : x
  2. Step 2: Convert to fraction form
    421,415,758,489.35/581,554,177,117.45 = 228,727,971,141/x
  3. Step 3: Cross multiply
    421,415,758,489.35x = 581,554,177,117.45 × 228,727,971,141
  4. Step 4: Simplify right side
    421,415,758,489.35x = 133,017,707,040,648,091,140,096
  5. Step 5: Solve for x
    x = 133,017,707,040,648,091,140,096/421,415,758,489.35
  6. Step 6: Final answer
    x = 315,644,833,780.01

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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.