Home / 442,848,019.60-664,272,029.40-197,204,179.60

Finding the Fourth Proportional to 442,848,019.60, 664,272,029.40 and 197,204,179.60

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Solution

The fourth proportional to 442,848,019.60, 664,272,029.40 and 197,204,179.60 is: 295,806,269.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,848,019.60 : 664,272,029.40 = 197,204,179.60 : x
  2. Step 2: Convert to fraction form
    442,848,019.60/664,272,029.40 = 197,204,179.60/x
  3. Step 3: Cross multiply
    442,848,019.60x = 664,272,029.40 × 197,204,179.60
  4. Step 4: Simplify right side
    442,848,019.60x = 130,997,220,589,054,064
  5. Step 5: Solve for x
    x = 130,997,220,589,054,064/442,848,019.60
  6. Step 6: Final answer
    x = 295,806,269.40

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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.