Home / 2,909,736,873.05-4,367,364,685.74-1,800,987,873.39

Finding the Fourth Proportional to 2,909,736,873.05, 4,367,364,685.74 and 1,800,987,873.39

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Solution

The fourth proportional to 2,909,736,873.05, 4,367,364,685.74 and 1,800,987,873.39 is: 2,703,189,731.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,909,736,873.05 : 4,367,364,685.74 = 1,800,987,873.39 : x
  2. Step 2: Convert to fraction form
    2,909,736,873.05/4,367,364,685.74 = 1,800,987,873.39/x
  3. Step 3: Cross multiply
    2,909,736,873.05x = 4,367,364,685.74 × 1,800,987,873.39
  4. Step 4: Simplify right side
    2,909,736,873.05x = 7,865,570,837,689,467,904
  5. Step 5: Solve for x
    x = 7,865,570,837,689,467,904/2,909,736,873.05
  6. Step 6: Final answer
    x = 2,703,189,731.88

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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.