Home / 5,385,921,411.90-8,079,689,911.41-1,891,711,011.90

Finding the Fourth Proportional to 5,385,921,411.90, 8,079,689,911.41 and 1,891,711,011.90

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Solution

The fourth proportional to 5,385,921,411.90, 8,079,689,911.41 and 1,891,711,011.90 is: 2,837,850,241.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,385,921,411.90 : 8,079,689,911.41 = 1,891,711,011.90 : x
  2. Step 2: Convert to fraction form
    5,385,921,411.90/8,079,689,911.41 = 1,891,711,011.90/x
  3. Step 3: Cross multiply
    5,385,921,411.90x = 8,079,689,911.41 × 1,891,711,011.90
  4. Step 4: Simplify right side
    5,385,921,411.90x = 15,284,438,378,151,632,896
  5. Step 5: Solve for x
    x = 15,284,438,378,151,632,896/5,385,921,411.90
  6. Step 6: Final answer
    x = 2,837,850,241.26

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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.