Home / 5,415,811,890.12-7,474,892,245.56-3,512,931,588.72

Finding the Fourth Proportional to 5,415,811,890.12, 7,474,892,245.56 and 3,512,931,588.72

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Solution

The fourth proportional to 5,415,811,890.12, 7,474,892,245.56 and 3,512,931,588.72 is: 4,848,540,832.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,415,811,890.12 : 7,474,892,245.56 = 3,512,931,588.72 : x
  2. Step 2: Convert to fraction form
    5,415,811,890.12/7,474,892,245.56 = 3,512,931,588.72/x
  3. Step 3: Cross multiply
    5,415,811,890.12x = 7,474,892,245.56 × 3,512,931,588.72
  4. Step 4: Simplify right side
    5,415,811,890.12x = 26,258,785,091,705,901,056
  5. Step 5: Solve for x
    x = 26,258,785,091,705,901,056/5,415,811,890.12
  6. Step 6: Final answer
    x = 4,848,540,832.74

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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.