Home / 8,115,060,390.40-12,164,094,818.46-3,396,086,020.94

Finding the Fourth Proportional to 8,115,060,390.40, 12,164,094,818.46 and 3,396,086,020.94

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Solution

The fourth proportional to 8,115,060,390.40, 12,164,094,818.46 and 3,396,086,020.94 is: 5,090,573,622.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,115,060,390.40 : 12,164,094,818.46 = 3,396,086,020.94 : x
  2. Step 2: Convert to fraction form
    8,115,060,390.40/12,164,094,818.46 = 3,396,086,020.94/x
  3. Step 3: Cross multiply
    8,115,060,390.40x = 12,164,094,818.46 × 3,396,086,020.94
  4. Step 4: Simplify right side
    8,115,060,390.40x = 41,310,312,370,360,688,640
  5. Step 5: Solve for x
    x = 41,310,312,370,360,688,640/8,115,060,390.40
  6. Step 6: Final answer
    x = 5,090,573,622.75

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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.