Home / 11,781,597,977.89-16,258,948,561.82-6,429,503,072.34

Finding the Fourth Proportional to 11,781,597,977.89, 16,258,948,561.82 and 6,429,503,072.34

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Solution

The fourth proportional to 11,781,597,977.89, 16,258,948,561.82 and 6,429,503,072.34 is: 8,872,901,615.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,781,597,977.89 : 16,258,948,561.82 = 6,429,503,072.34 : x
  2. Step 2: Convert to fraction form
    11,781,597,977.89/16,258,948,561.82 = 6,429,503,072.34/x
  3. Step 3: Cross multiply
    11,781,597,977.89x = 16,258,948,561.82 × 6,429,503,072.34
  4. Step 4: Simplify right side
    11,781,597,977.89x = 104,536,959,731,258,998,784
  5. Step 5: Solve for x
    x = 104,536,959,731,258,998,784/11,781,597,977.89
  6. Step 6: Final answer
    x = 8,872,901,615.51

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1.5x scale

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.