Home / 389,943,954.33-538,180,412.79-246,903,012.82

Finding the Fourth Proportional to 389,943,954.33, 538,180,412.79 and 246,903,012.82

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Solution

The fourth proportional to 389,943,954.33, 538,180,412.79 and 246,903,012.82 is: 340,762,727.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,943,954.33 : 538,180,412.79 = 246,903,012.82 : x
  2. Step 2: Convert to fraction form
    389,943,954.33/538,180,412.79 = 246,903,012.82/x
  3. Step 3: Cross multiply
    389,943,954.33x = 538,180,412.79 × 246,903,012.82
  4. Step 4: Simplify right side
    389,943,954.33x = 132,878,365,358,562,256
  5. Step 5: Solve for x
    x = 132,878,365,358,562,256/389,943,954.33
  6. Step 6: Final answer
    x = 340,762,727.27

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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.