Home / 419,008,793.40-628,513,190.10-237,610,265.40

Finding the Fourth Proportional to 419,008,793.40, 628,513,190.10 and 237,610,265.40

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Solution

The fourth proportional to 419,008,793.40, 628,513,190.10 and 237,610,265.40 is: 356,415,398.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,008,793.40 : 628,513,190.10 = 237,610,265.40 : x
  2. Step 2: Convert to fraction form
    419,008,793.40/628,513,190.10 = 237,610,265.40/x
  3. Step 3: Cross multiply
    419,008,793.40x = 628,513,190.10 × 237,610,265.40
  4. Step 4: Simplify right side
    419,008,793.40x = 149,341,185,907,061,664
  5. Step 5: Solve for x
    x = 149,341,185,907,061,664/419,008,793.40
  6. Step 6: Final answer
    x = 356,415,398.10

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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.