Home / 421,415,758,466.33-581,554,177,085.75-228,727,971,117.96

Finding the Fourth Proportional to 421,415,758,466.33, 581,554,177,085.75 and 228,727,971,117.96

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Solution

The fourth proportional to 421,415,758,466.33, 581,554,177,085.75 and 228,727,971,117.96 is: 315,644,833,748.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,415,758,466.33 : 581,554,177,085.75 = 228,727,971,117.96 : x
  2. Step 2: Convert to fraction form
    421,415,758,466.33/581,554,177,085.75 = 228,727,971,117.96/x
  3. Step 3: Cross multiply
    421,415,758,466.33x = 581,554,177,085.75 × 228,727,971,117.96
  4. Step 4: Simplify right side
    421,415,758,466.33x = 133,017,707,019,998,408,474,624
  5. Step 5: Solve for x
    x = 133,017,707,019,998,408,474,624/421,415,758,466.33
  6. Step 6: Final answer
    x = 315,644,833,748.25

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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.