Home / 3,857,869,809.20-5,786,804,713.80-1,403,887,847.60

Finding the Fourth Proportional to 3,857,869,809.20, 5,786,804,713.80 and 1,403,887,847.60

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Solution

The fourth proportional to 3,857,869,809.20, 5,786,804,713.80 and 1,403,887,847.60 is: 2,105,831,771.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,857,869,809.20 : 5,786,804,713.80 = 1,403,887,847.60 : x
  2. Step 2: Convert to fraction form
    3,857,869,809.20/5,786,804,713.80 = 1,403,887,847.60/x
  3. Step 3: Cross multiply
    3,857,869,809.20x = 5,786,804,713.80 × 1,403,887,847.60
  4. Step 4: Simplify right side
    3,857,869,809.20x = 8,124,024,814,138,215,424
  5. Step 5: Solve for x
    x = 8,124,024,814,138,215,424/3,857,869,809.20
  6. Step 6: Final answer
    x = 2,105,831,771.40

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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.