Home / 389,943,954.20-538,180,412.62-246,903,012.68

Finding the Fourth Proportional to 389,943,954.20, 538,180,412.62 and 246,903,012.68

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Solution

The fourth proportional to 389,943,954.20, 538,180,412.62 and 246,903,012.68 is: 340,762,727.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,943,954.20 : 538,180,412.62 = 246,903,012.68 : x
  2. Step 2: Convert to fraction form
    389,943,954.20/538,180,412.62 = 246,903,012.68/x
  3. Step 3: Cross multiply
    389,943,954.20x = 538,180,412.62 × 246,903,012.68
  4. Step 4: Simplify right side
    389,943,954.20x = 132,878,365,241,243,504
  5. Step 5: Solve for x
    x = 132,878,365,241,243,504/389,943,954.20
  6. Step 6: Final answer
    x = 340,762,727.08

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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.