Home / 423,534,855.28-634,753,025.16-190,193,269.36

Finding the Fourth Proportional to 423,534,855.28, 634,753,025.16 and 190,193,269.36

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Solution

The fourth proportional to 423,534,855.28, 634,753,025.16 and 190,193,269.36 is: 285,043,253.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,534,855.28 : 634,753,025.16 = 190,193,269.36 : x
  2. Step 2: Convert to fraction form
    423,534,855.28/634,753,025.16 = 190,193,269.36/x
  3. Step 3: Cross multiply
    423,534,855.28x = 634,753,025.16 × 190,193,269.36
  4. Step 4: Simplify right side
    423,534,855.28x = 120,725,753,091,330,736
  5. Step 5: Solve for x
    x = 120,725,753,091,330,736/423,534,855.28
  6. Step 6: Final answer
    x = 285,043,253.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.