Home / 5,385,921,412.90-8,079,689,912.91-1,891,711,012.90

Finding the Fourth Proportional to 5,385,921,412.90, 8,079,689,912.91 and 1,891,711,012.90

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Solution

The fourth proportional to 5,385,921,412.90, 8,079,689,912.91 and 1,891,711,012.90 is: 2,837,850,242.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,385,921,412.90 : 8,079,689,912.91 = 1,891,711,012.90 : x
  2. Step 2: Convert to fraction form
    5,385,921,412.90/8,079,689,912.91 = 1,891,711,012.90/x
  3. Step 3: Cross multiply
    5,385,921,412.90x = 8,079,689,912.91 × 1,891,711,012.90
  4. Step 4: Simplify right side
    5,385,921,412.90x = 15,284,438,389,068,890,112
  5. Step 5: Solve for x
    x = 15,284,438,389,068,890,112/5,385,921,412.90
  6. Step 6: Final answer
    x = 2,837,850,242.76

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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.