Home / 361,232,983.48-498,501,129.90-196,220,676.28

Finding the Fourth Proportional to 361,232,983.48, 498,501,129.90 and 196,220,676.28

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Solution

The fourth proportional to 361,232,983.48, 498,501,129.90 and 196,220,676.28 is: 270,784,322.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,232,983.48 : 498,501,129.90 = 196,220,676.28 : x
  2. Step 2: Convert to fraction form
    361,232,983.48/498,501,129.90 = 196,220,676.28/x
  3. Step 3: Cross multiply
    361,232,983.48x = 498,501,129.90 × 196,220,676.28
  4. Step 4: Simplify right side
    361,232,983.48x = 97,816,228,835,322,128
  5. Step 5: Solve for x
    x = 97,816,228,835,322,128/361,232,983.48
  6. Step 6: Final answer
    x = 270,784,322.88

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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.