Home / 3,929,728,349.66-5,423,500,672.17-2,236,594,672.15

Finding the Fourth Proportional to 3,929,728,349.66, 5,423,500,672.17 and 2,236,594,672.15

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Solution

The fourth proportional to 3,929,728,349.66, 5,423,500,672.17 and 2,236,594,672.15 is: 3,086,771,305.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,929,728,349.66 : 5,423,500,672.17 = 2,236,594,672.15 : x
  2. Step 2: Convert to fraction form
    3,929,728,349.66/5,423,500,672.17 = 2,236,594,672.15/x
  3. Step 3: Cross multiply
    3,929,728,349.66x = 5,423,500,672.17 × 2,236,594,672.15
  4. Step 4: Simplify right side
    3,929,728,349.66x = 12,130,172,707,763,808,256
  5. Step 5: Solve for x
    x = 12,130,172,707,763,808,256/3,929,728,349.66
  6. Step 6: Final answer
    x = 3,086,771,305.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.