Home / 442,848,031.60-664,272,047.40-197,204,191.60

Finding the Fourth Proportional to 442,848,031.60, 664,272,047.40 and 197,204,191.60

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Solution

The fourth proportional to 442,848,031.60, 664,272,047.40 and 197,204,191.60 is: 295,806,287.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,848,031.60 : 664,272,047.40 = 197,204,191.60 : x
  2. Step 2: Convert to fraction form
    442,848,031.60/664,272,047.40 = 197,204,191.60/x
  3. Step 3: Cross multiply
    442,848,031.60x = 664,272,047.40 × 197,204,191.60
  4. Step 4: Simplify right side
    442,848,031.60x = 130,997,232,109,993,872
  5. Step 5: Solve for x
    x = 130,997,232,109,993,872/442,848,031.60
  6. Step 6: Final answer
    x = 295,806,287.40

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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.