Home / 8,115,060,390.15-12,164,094,818.10-3,396,086,020.72

Finding the Fourth Proportional to 8,115,060,390.15, 12,164,094,818.10 and 3,396,086,020.72

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Solution

The fourth proportional to 8,115,060,390.15, 12,164,094,818.10 and 3,396,086,020.72 is: 5,090,573,622.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,115,060,390.15 : 12,164,094,818.10 = 3,396,086,020.72 : x
  2. Step 2: Convert to fraction form
    8,115,060,390.15/12,164,094,818.10 = 3,396,086,020.72/x
  3. Step 3: Cross multiply
    8,115,060,390.15x = 12,164,094,818.10 × 3,396,086,020.72
  4. Step 4: Simplify right side
    8,115,060,390.15x = 41,310,312,366,477,819,904
  5. Step 5: Solve for x
    x = 41,310,312,366,477,819,904/8,115,060,390.15
  6. Step 6: Final answer
    x = 5,090,573,622.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.