Home / 2,836,629,392.65-4,251,558,885.12-1,320,237,809.71

Finding the Fourth Proportional to 2,836,629,392.65, 4,251,558,885.12 and 1,320,237,809.71

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Solution

The fourth proportional to 2,836,629,392.65, 4,251,558,885.12 and 1,320,237,809.71 is: 1,978,781,156.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,836,629,392.65 : 4,251,558,885.12 = 1,320,237,809.71 : x
  2. Step 2: Convert to fraction form
    2,836,629,392.65/4,251,558,885.12 = 1,320,237,809.71/x
  3. Step 3: Cross multiply
    2,836,629,392.65x = 4,251,558,885.12 × 1,320,237,809.71
  4. Step 4: Simplify right side
    2,836,629,392.65x = 5,613,068,790,343,918,592
  5. Step 5: Solve for x
    x = 5,613,068,790,343,918,592/2,836,629,392.65
  6. Step 6: Final answer
    x = 1,978,781,156.57

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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.