Home / 646,637,124.27-892,359,589.55-349,279,365.09

Finding the Fourth Proportional to 646,637,124.27, 892,359,589.55 and 349,279,365.09

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Solution

The fourth proportional to 646,637,124.27, 892,359,589.55 and 349,279,365.09 is: 482,005,717.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,637,124.27 : 892,359,589.55 = 349,279,365.09 : x
  2. Step 2: Convert to fraction form
    646,637,124.27/892,359,589.55 = 349,279,365.09/x
  3. Step 3: Cross multiply
    646,637,124.27x = 892,359,589.55 × 349,279,365.09
  4. Step 4: Simplify right side
    646,637,124.27x = 311,682,790,869,996,928
  5. Step 5: Solve for x
    x = 311,682,790,869,996,928/646,637,124.27
  6. Step 6: Final answer
    x = 482,005,717.23

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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.